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Published byAmice Logan Modified over 9 years ago
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Nassau Grouper Epinephelus striatus
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Almost always 5-6 olive stripes 4 feet long
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Phylum Chordata – Subphylum vertebrata Superclass gnathostomata – Class osteichthyes » Subclass actinopterygii Infraclass teleostei Superorder acanthopterygii Order perciformes Family Serranidae
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Distinguishing characteristics – All carniverous – Typically ambush predators – Even brightly colored species are camouflaged
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Diet Only the largest reef predators can eat the Nassau Grouper – Sharks – Barracudas – humans Completely carnivorous – Fish – Crabs – Whatever can fit inside their mouth
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Habitat, where are they found We will see them in Hol Chan (marine protected area) on the last day.
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Size/structure About 5 olive stripes Very large Large mouth
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spawning Travel to specific locations for spawning aggregations December during the full moon at dusk
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Spawning color change Normal- typical coloration present in early morning Bicolor- upper sides of fish become dark and lower side is light in late afternon White belly- some females retain normal color but their abdomens turn white Dark- spawning and courting fish turn completely dark. This indicates that they are ready to spawn.
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Sex change Begin life as females Change to males later
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Fishing and endangerment
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Ocean Surgeonfish Acanthurus bahianus
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Phylum Chordata – Subphylum vertebrata Superclass gnathostomata – Class osteichthyes » Subclass actinopterygii Infraclass teleostei Superorder acanthopterygii Order perciformes Family Acanthuridae
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Mostly reef fishes Scalpel-like spines Thorn tails Small mouths with single rows of teeth for grazing on algae
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Habitat
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Diet All acanthurids can eat algae with their specialized scraping mouths Ocean surgeonfish can break down coral in their muscular stomachs
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