Labridae, Scaridae & Mugilidae 1 Family Labridae Wrasses Common species: oTautog (Tautoga onitis)...
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Transcript of Labridae, Scaridae & Mugilidae 1 Family Labridae Wrasses Common species: oTautog (Tautoga onitis)...
Labridae, Scaridae & Mugilidae1
Family Labridae
• Wrasses• Common species:
o Tautog (Tautoga onitis)o Slippery Dick
(Halichoeres bivittatus)o Pearly Razorfish
(Hemipteronotus novacula)
o Hogfish (Lachnolaimus maximus)
Hogfish
Slippery Dick
Labridae, Scaridae & Mugilidae2
Labrid Body Types
• The family is characterized by several body types
• All have unifying characteristics:
Labridae, Scaridae & Mugilidae3
Labrid Characteristics
• Most spp. are protogynous hermaphrodites
• Swim using pectoral fins in a flapping jerky motiono Labriform
swimming
• Labrids are brightly colored with diurnal feeding habitso Have well-developed
pharyngeal jaws o Some spp. are cleaners
removing ectoparasites
Labridae, Scaridae & Mugilidae4
Cleaning Behavior
Labridae, Scaridae & Mugilidae5
Cleaning Stations
• Mutualistic relationships commonly found on coral reefs
• Territorial in nature, occupying well-defined coral heads and other prominent locales
• Numerous host spp. are serviced
• Parasites and necrotic tissue is removed
Labridae, Scaridae & Mugilidae6
Open up and say Ahhh...
Labridae, Scaridae & Mugilidae7
Bluehead Wrasse
• One of the most common reef fish in the Western Atlantic• A terminal male maintains a large harem for reproduction
Terminal Phase Male
Labridae, Scaridae & Mugilidae9
Hogfish (Lachnolaimus maximus)
• Unlike most wrasses hogfish can become quite large (25 pounds)
Labridae, Scaridae & Mugilidae10
Family Scaridae
• Parrotfishes• Common species:
o Blue Parrotfish (Scarus coeruleus)o Stoplight Parrotfish (Sparisoma viride)o Queen Parrotfish (Scarus vetula)
Labridae, Scaridae & Mugilidae11
Scaridae Characteristics
• Appear as heavy bodied wrasseso Teeth are fused to the jaw resembling a parrot-
like beak
• Rove the reef during the day (feeding) and hide in caves a crevices at night
Labridae, Scaridae & Mugilidae12
Scarid Feeding
• Usually herbivores, feed (with fused jaws) on algae which occurs on dead corals
• Coral passes through the pharyngeal teeth creating sand as a waste product
Labridae, Scaridae & Mugilidae13
I feel five pounds lighter!
Blue Parrotfish
Labridae, Scaridae & Mugilidae14
A Mucus Negligee
Queen Parrotfish
Atherinidae thru Syngnathidae15
Family Mugilidae
• Mullets• Common species:
o Striped Mullet (Mugil cephalus)
Atherinidae thru Syngnathidae16
Mugilidae Characteristics
• Characterized by thick streamlined bodies, forked caudal fin, and two widely separate dorsal fins
• Feed largely on detritus and algal cells
• The digestive tract is 5-8x as long as the body to absorb the needed nutrients
Atherinidae thru Syngnathidae17
Mullets
• Seen frequently jumping from the watero Possible predator avoidance or low oxygen
response