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