External Anatomy and Morphology of Different Species of Fishes
-
Upload
janella-mariz-nacion-jazareno -
Category
Documents
-
view
15 -
download
0
Transcript of External Anatomy and Morphology of Different Species of Fishes
![Page 1: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/1.jpg)
External Anatomy and MorphologyPrepared by:• Esteves, Arvin Kelly• Icaro, Sarah Jane• Jazareno, Janella Mariz• Lagajino, Stephen
![Page 2: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/2.jpg)
External Anatomy and Morphology• Gnathonodon
![Page 3: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/3.jpg)
Gnathonodon (Jack)
![Page 4: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/4.jpg)
Body Index (BI)
=
= 0.31
![Page 5: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/5.jpg)
Metric Data (cm) TL: 10.5 SL: 8.5 FL: 9.0 BD: 3.3 BW: 0.5
![Page 6: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/6.jpg)
Meristic Data Fins
Paired : pectoral & pelvic Unpaired : dorsal, ventral & anal
Position of fins: Pectoral – anterior, mid-body Pelvic - thoracic
![Page 7: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/7.jpg)
Meristic Data Spines (S) & Soft Rays (SR)
D, VIII, 20 Ventral: S – 3, SR – 17
Caudal Fin (Shape) forked
Caudal Peduncle narrow
![Page 8: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/8.jpg)
Other Meristic Features Mouth
Location: terminal (+) dentition,
villiform
Gill rakers long
(+) scutes
![Page 9: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/9.jpg)
Inferences Compressiform Slow-swimmer Pelagic Predator & filter feeder
![Page 10: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/10.jpg)
External Anatomy and Morphology• Alectis
![Page 11: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/11.jpg)
Alectis (African Pompano)
![Page 12: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/12.jpg)
Metric Data (cm) TL: 13.5 SL: 10 FL: 9.0 BD: 4.6 BW: 1.1
![Page 13: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/13.jpg)
Body Shape Index (BSI)BSI= BD/ TL
= 4.6 cm / 13.5 cm
= 0.34
![Page 14: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/14.jpg)
Meristic Data Fins
Paired : pectoral & pelvic (both are separated); dorsal (one is anterior to the other; discontinuous)
Unpaired :ventral
Position of fins: Pectoral – slightly ventral, mid-body Pelvic - thoracic
![Page 15: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/15.jpg)
Meristic Data Spines (S) & Soft Rays (SR) (RAW DATA)
S – 0 SR – 6 (ant) + 26 (post)
Spines (S) & Soft Rays (SR) (Fishbase) Dorsal: D VIII 22 Ventral: V III 17
![Page 16: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/16.jpg)
Meristic Data Body Shape
compressiform
Caudal Fin (shape) forked
Caudal Peduncle narrow
![Page 17: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/17.jpg)
Other Meristic Features Lateral line
(+) Continuous Curved Dorsal
Mouth Location: superior (+) dentition:
villiform
Gill rakers Long
Eyes Side, dorsal
![Page 18: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/18.jpg)
Other Meristic Features (+) scutes – found laterally on caudal
peduncle
![Page 19: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/19.jpg)
Inference Compressiform- Live in many places to take refuge like
ponds, lakes, and corals - School together in shallow open waters Superior mouth- catching prey above
them Lateral, dorsal eyes- for selective
predation
![Page 20: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/20.jpg)
Inference Forked tails have less water to displace
but it supports sustained rapid swimming
Dentition and gill rakers support their feeding on zooplankton
![Page 21: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/21.jpg)
External Anatomy and Morphology• Pterocaesio
![Page 22: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/22.jpg)
Pterocaesio (Fusiliers)
![Page 23: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/23.jpg)
![Page 24: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/24.jpg)
![Page 25: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/25.jpg)
![Page 26: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/26.jpg)
Metric Data (cm) TL: 14.4 SL: 15.3 FL: 16.3 BD: 4.0 BW: 2.3
![Page 27: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/27.jpg)
Body Shape Index (BSI)BSI = BD/ TL
= 4.0 cm / 14.4 cm
= 0.21
![Page 28: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/28.jpg)
Meristic Data Fins
Paired : pectoral & pelvic
Unpaired : dorsal, caudal, and ventral
Position of fins: Pectoral – slightly ventral, mid-body Pelvic – not fused, thoracic
![Page 29: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/29.jpg)
Meristic Data Spines (S) & Soft Rays (SR)
D IX 16Caudal Fin (Shape) Lunate Caudal peduncle: narrow
![Page 30: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/30.jpg)
Other Meristic Features Lateral line
(+) Continuous Straight Dorsal
Mouth Location: terminal 1.5 cm (-) dentition
Gill filament Hair like
![Page 31: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/31.jpg)
Inference Fusiform Feeds on zooplankton Reef-associated Relatively fast swimmers
![Page 32: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/32.jpg)
External Anatomy and Morphology• Nemipterus
![Page 33: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/33.jpg)
Nemipterus (Threadfin bream)
![Page 34: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/34.jpg)
Metric Data (cm) TL: 15.9 SL: 12.9 FL: 14 BD: 3.5 BW: 1.4
![Page 35: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/35.jpg)
Body Shape Index (BSI)BSI = BD/ TL
= 3.5 cm / 15.9 cm
= 0.22
![Page 36: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/36.jpg)
Meristic Data Fins
Paired : pectoral & pelvic
Unpaired : dorsal, anal
Position of fins: Pectoral – slightly ventral, mid-body Pelvic – not fused, thoracic
![Page 37: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/37.jpg)
N. furcosus
![Page 38: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/38.jpg)
Meristic Data Spines (S) & Soft Rays (SR)
D VIII 7 Caudal Fin (Shape)
Semilunate Caudal peduncle
Relatively thick
![Page 39: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/39.jpg)
Other Meristic Features Lateral line
(+) Continuous Curved Dorsal
Mouth Location: terminal (+) dentition:
villiform
Gill rakers Short; knobby
Eyes side
Body Shape fusiform
![Page 40: External Anatomy and Morphology of Different Species of Fishes](https://reader030.fdocuments.in/reader030/viewer/2022032623/55cf9974550346d0339d7e4f/html5/thumbnails/40.jpg)
Inferences Fusiform Eat small fishes, cephalopods and
crustaceans Fast, active swimmers
Some capable of short burst of speed Can fit into tight spaces