Species found in El Tanque (max. depth 26 m):
Sharpnose puffer (Canthigaster rostrata)
Creole wrasse (Clepticus parrae)
Yellowhead wrasse (Halichoeres garnoti)
Blue chromis (Chromis cyanea)
Blackcap basslet (Gramma melacara)
Yellowfin mojarra (Gerres cinereus)
Schoolmaster (Lutjanus apodus)
Yellowhead jawfish (Opistognathus aurifrons)
Sand diver (Synodus intermedius)
Stoplight parrotfish (Sparisoma viride)
Masked goby (Coryphopterus personatus)
Houndfish (Tylosurus crocodilus)
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)
Zoanthid (Zoanthidea)
Corky sea finger (Briareum asbestinum)
Knobby sea rod (Eunicea)
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)