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