Species found in El Tanque (max. depth 26 m):
Sharpnose puffer (Canthigaster rostrata)
Yellowhead wrasse (Halichoeres garnoti)
Blue chromis (Chromis cyanea)
Blackcap basslet (Gramma melacara)
Yellowfin mojarra (Gerres cinereus)
Yellowhead jawfish (Opistognathus aurifrons)
Creole wrasse (Clepticus parrae)
Masked goby (Coryphopterus personatus)
Bluestriped grunt (Haemulon sciurus)
Schoolmaster (Lutjanus apodus)
Indigo hamlet (Hypoplectrus indigo)
Great barracuda (Sphyraena barracuda)
Sand diver (Synodus intermedius)
Stoplight parrotfish (Sparisoma viride)
Bluehead (Thalassoma bifasciatum)
Blue tang (Acanthurus coeruleus)
Houndfish (Tylosurus crocodilus)
Bandtail puffer (Sphoeroides spengleri)
Threespot damselfish (Stegastes planifrons)
Garden eel (Heteroconger longissimus)
Barred hamlet (Hypoplectrus puella)
Zoanthid (Zoanthidea)
Knobby sea rod (Eunicea)
Corky sea finger (Briareum asbestinum)
Grooved brain coral (Diploria labyrinthiformis)
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)
Banded coral shrimp (Stenopus hispidus)
Yellowline arrow crab (Stenorhynchus seticornis)