Species found in El Tanque (max. depth 26 m):
Schoolmaster (Lutjanus apodus)
Sand diver (Synodus intermedius)
Stoplight parrotfish (Sparisoma viride)
Houndfish (Tylosurus crocodilus)
Creole wrasse (Clepticus parrae)
Masked goby (Coryphopterus personatus)
Bluestriped grunt (Haemulon sciurus)
Indigo hamlet (Hypoplectrus indigo)
Great barracuda (Sphyraena barracuda)
Bluehead (Thalassoma bifasciatum)
Blue tang (Acanthurus coeruleus)
Bandtail puffer (Sphoeroides spengleri)
Threespot damselfish (Stegastes planifrons)
Garden eel (Heteroconger longissimus)
Barred hamlet (Hypoplectrus puella)
Sharpnose puffer (Canthigaster rostrata)
Yellowhead wrasse (Halichoeres garnoti)
Blue chromis (Chromis cyanea)
Blackcap basslet (Gramma melacara)
Yellowfin mojarra (Gerres cinereus)
Yellowhead jawfish (Opistognathus aurifrons)
Corky sea finger (Briareum asbestinum)
Grooved brain coral (Diploria labyrinthiformis)
Zoanthid (Zoanthidea)
Knobby sea rod (Eunicea)
Orange icing sponge (Mycale laevis)
Azure vase sponge (Callyspongia plicifera)
Scattered pore rope sponge (Aplysina fulva)
Stove-pipe sponge (Aplysina archeri)
Pitted sponge (Verongula rigida)
Yellow tube sponge (Aplysina fistularis)
Tubular thicket algae (Galaxaura)
Flamingo tongue (Cyphoma gibbosum)
Yellowline arrow crab (Stenorhynchus seticornis)
Banded coral shrimp (Stenopus hispidus)