Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense...
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Transcript of Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense...
![Page 1: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/1.jpg)
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 3: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/3.jpg)
• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 4: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/4.jpg)
• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 5: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/5.jpg)
Catfish Skin
Epidermis
Dermis
FatTissue
Muscle
Alarm Substance
Epithelial Cell
Goblet Cell
Fat Cell
Collagen Fibers
Muscle
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Catfish Skin
Epidermis
Dermis
AlarmSubstanceCell
TasteBud
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Catfish Skin
TasteBud
AlarmSubstanceCell
GobletCell
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Scaly Skin
Epidermis
Dermis
FatTissue
Muscle
Epithelial Cell
Goblet Cell
Fat Cell
Collagen Fibers
Muscle
Scale
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Skin with Scales
Muscle
Fat
Dermis
Epidermis
ScaleGoblet Cell
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 11: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/11.jpg)
• Disease resistance– Gooey glycoproteins
• Stream from skin• Hard for pathogens to attach
– Lysozyme: Dissolves bacterial cell walls– Histones: Antibacterial– Antibodies: Block specific pathogens
Mucus
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 13: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/13.jpg)
• Disease resistance– Gooey glycoproteins
• Stream from skin• Hard for pathogens to attach
– Lysozyme: Dissolves bacterial cell walls– Histones: Antibacterial– Antibodies: Block specific pathogens
• Defense– Nemo!– Hagfish - goo– Trunkfish
Mucus
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Clownfish
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Hagfish
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Ostrcitoxin: A choline chloride ester of palmitic acid. The toxin has a minimum lethal concentration of 2 ppm and an LC50 of 3.5 ppm using mosquito fish as the test organism.
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• Disease resistance– Gooey glycoproteins
• Stream from skin• Hard for pathogens to attach
– Lysozyme: Dissolves bacterial cell walls– Histones: Antibacterial– Antibodies: Block specific pathogens
• Defense– Nemo!– Hagfish– Toxins*
• Baby food
Mucus
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• Disease resistance– Gooey glycoproteins
• Stream from skin• Hard for pathogens to attach
– Lysozyme: Dissolves bacterial cell walls– Histones: Antibacterial– Antibodies: Block specific pathogens
• Defense– Nemo!– Hagfish– Trunkfish
• Baby food• Communication
Mucus
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Alarm Substance CellsTop view of catfish epidermis
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 23: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/23.jpg)
Cycloid Scale
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Ctenoid Scale
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Ganoid ScalesOne scale: Dark green is the hard external part of the scale. Light green is under the skin
Ganoid scales on gar skin
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Placoid ScalesPlacoid Scales
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Epidermis
Dermis
EnamelDentine
Pulp
Placoid ScalesOne placoid scale: Dark green is the external part.
Internal anatomy of a placoid scale.
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Real Armor
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 34: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/34.jpg)
Poison Glands at Fin Base
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E. Velvetfish spine F. Scorpionfish spine
H. Stonefish spine with glands I. Toadfish opercular spine
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What is the most common venomous fish in
Arkansas?
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 39: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/39.jpg)
FW Fish
Water In
Salt Out
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Ocean Fish
Water Out
Salt In
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
![Page 43: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/43.jpg)
• Actual Pigments– Xanthophores – Yellow– Erythrophores – Red– Cyanophores -Blue– Melanophores – Brown & Black– Leucophores – White (purines)
• Actual Pigments– Xanthophores – Yellow– Erythrophores – Red– Cyanophores -Blue– Melanophores – Brown & Black– Leucophores – White (purines)
Cells that carry pigments
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XanthophoresXanthophores
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XanthophoresXanthophores
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ErythrophoresErythrophores
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CyanophoresCyanophores
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Bass Melanophores
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Melanosomes dispersed inmelanocyte. The fish hasdark color.
The melanosomes are aggregated. The fish looks light.
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Leukophores: Granualar gunaidine
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• Iridophores – iridescent, mirror (guanine)
• “Schemochromes”
• Iridophores – iridescent, mirror (guanine)
• “Schemochromes”
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Mirror
Iridophores - Mirror
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IridophoresReflection
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Iridophores - Iridescence
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Iridophores-Iridescence
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Flatfish
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“Schemachromes”
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Ornate Pipefish
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Tasselled Wobbegong
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• Senses– Touch, taste, smell, electric, lateral line
• Basic Anatomy• Disease Resistance• Defense (mucus)• Defense (scales)• Defense (poisons)• Osmoregulation• Colors and Camo• Light
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Fancy Tricks with Shadows and Light
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Countershading
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T
B
TB
FromAbove
FromBelow
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Countershading in Synodontis
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Countershading Synodontis
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Photophores = Light Production
• 15% of all marine fish genera• Signaling, camo, hunting• 2 kinds: bacterial and fish
Linophryne; the only fish with both kinds
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Photophores = Light Production
• 15% of all marine fish genera• Signaling, camo, hunting• 2 kinds: bacterial and fish
Linophryne; the only fish with both kinds
![Page 80: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/80.jpg)
Communication with Photophores Lit by Bacteria
Flashlight fish: Shutters for blinking (communication). Also for hunting copepods
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Photophores = Light Production
• 15% of all marine fish genera• Signaling, camo, hunting• 2 kinds: bacterial and fish
Linophryne; the only fish with both kinds
![Page 82: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/82.jpg)
T
B
T
B
T
B
TB
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Why is there a photophore here?
Hatchet Fish Photophores make their own light using fish biochemistry, not phosphorescent bacteria.
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Photophores: Fish Light
Hatchetfish: Upper photophore shines in eye, used to match brightness with ambient light
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Photophores: Bacterial
Opistoproctus: Peri-anal light sack and light guide
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Photophores = Light Production
• 15% of all marine fish genera• Signaling, camo, hunting• 2 kinds: bacterial and fish
Linophryne; the only fish with both kinds
![Page 87: Senses –Touch, taste, smell, electric, lateral line Basic Anatomy Disease Resistance Defense (mucus) Defense (scales) Defense (poisons) Osmoregulation.](https://reader034.fdocuments.in/reader034/viewer/2022051619/56649e045503460f94aefea1/html5/thumbnails/87.jpg)
Yellow lenses- ArgyropelecusHatchetfish
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T
B
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Headlights for hunting in the dark
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Diaphus
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Diaphus – Blue headlight
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Red Headlights
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Malacosteusniger
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Pachyostomas
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Light Penetration Appearance
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Senses (later)Senses (later)Basic AnatomyBasic Anatomy
Epidermis, dermis, scales ?Epidermis, dermis, scales ?Disease ResistanceDisease Resistance
Barricade, immunityBarricade, immunityDefense (mucus)Defense (mucus)
Hagfish, trunkfish, clownfishHagfish, trunkfish, clownfishDefense (scales)Defense (scales)
Cycloid, ctenoid, ganoid,placoidCycloid, ctenoid, ganoid,placoidDefense (poisons)Defense (poisons)
Toxin glands - spinesToxin glands - spinesOsmoregulationOsmoregulation
Scales/mucus block water and saltScales/mucus block water and saltColorsColors
Malanocytes, other pigments cells, iridophore tricksMalanocytes, other pigments cells, iridophore tricksCountershading and camoCountershading and camo
LightLightCountershading, hunting, communicationCountershading, hunting, communication