sphyraenidae, blenniidae, & gobiidae 1 family sphyraenidae barracudas common species: ogreat...
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Sphyraenidae, Blenniidae, & Gobiidae
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Family Sphyraenidae
• Barracudas• Common species:
o Great Barracuda (Sphyraena barracuda)
o Northern Sennet (Sphyraena borealis)
o Guaguanche (Sphyraena guachancho)
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Sphyraenidae, Blenniidae, & Gobiidae
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Sphyraenidae Characteristics
• Elongated pike-like bodies, superior jaws
• Traits:
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Sphyraenidae, Blenniidae, & Gobiidae
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Sphyraenids
Guaguanche
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Sphyraenidae, Blenniidae, & Gobiidae
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Great Barracuda
• Apex predators • Can reach 6ft. and
have been known to attack diverso Attacks may be due
to reflective metal on divers
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Sphyraenidae, Blenniidae, & Gobiidae
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Family Uranoscopidae
• Southern stargazero Astroscopus y-
graecum
• Northern stargazero Astroscopus guttatus
Southern stargazer buried in the sand
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Uranoscopidae Characteristics
• Large, cuboidal head
• Mouth strongly oblique
• Breathes through nostrils
• Eyes can protrude a short distance
• Can create electrical currents
• 50 volts
• Some species attract prey using small vermiform filament on floor of mouth
Sphyraenidae, Blenniidae, & Gobiidae
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North vs. South
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Southern
Northern
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Sphyraenidae, Blenniidae, & Gobiidae
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Family Blenniidae
• Blennies• Common species:
o Striped Blenny (Chasmodes bosquianus)
o Crested Blenny (Hypleurochilus geminatus)
o Feather Blenny (Hypsoblennius hentzi)
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Sphyraenidae, Blenniidae, & Gobiidae
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Blenniidae Characteristics
• Important on rocky inshore habitats in the tropics and subtropics (benthic)o Also, found in
fouling habitats
Seaweed Blenny
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Combtooth Blennies
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Blennies
• “Combtooth” stems from the numerous closely packed teeth in the jaw
• Blunt heads are topped with cirri o Cirri are chemosensory in nature and used in sex
recognition
Cirri
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Sphyraenidae, Blenniidae, & Gobiidae
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Family Gobiidae
• Gobies• Common species:
o Darter Goby (Gobionellus boleosoma)o Clown Goby (Microgobius gulosus)
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Sphyraenidae, Blenniidae, & Gobiidae
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Gobiidae Characteristics
• Approximately 1,875 spp., is only slightly smaller than Cyprinidae
• Found worldwide in both fresh and saltwater
• Recognizable by several characteristics:
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Gobies have a remarkable ability to adapt to environments inaccessible
to most fishes
Invertebrate BurrowsSponges, Sea Urchins, Hard and soft corals
Mangrove Swamps
Mudskippers
Freshwater on oceanic islands
Mud FlatsSome species have the ability to breathe air and make short walks to other habitats
Longjaw Mudsucker
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Mutualistic Cleaner Specialists
Gobiosoma oceanops
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Did you know?
• Few gobies reach 20 cm., most are <10 cm.
• Record-breaking Fisho Paedocypris progeneticao Family Cyprinidae (carps)
o 7.9 mm!!!