''Lophogobius cyprinoides'', commonly known as the crested goby, is a small fish that is widespread throughout the western Atlantic Ocean.
Description
The crested goby is a small but stout fish, reaching a maximum length of .
Its body appears compressed and a crest extends back from the middle of its eyes. They have six dorsal spines with the fourth spine being the longest, and 16–20 pectoral fin rays which reach beyond the start of the anal fin in adults. The tail is wide and round. Both sexes have reddish-brown to olive mottling along their head and bodies, but those of the males are more extensive and darker in color. The females cheeks are covered with pale spots, also with several
pale lines behind eye, while males have black and orange spots on the first dorsal fin, which change to black and violet during breeding.
Distribution and habitat
This widespread species occurs throughout the western Atlantic Ocean, from
South Florida
South Florida is the southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the other two are Central Florida and North Florida. South Florida is the southernmost part of th ...
and
Bermuda
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, throughout the
Caribbean
The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ...
, and along the coasts of Central & northern South America.
Adults are capable of dwelling in fresh or saltwater and inhabit tidal creeks, estuaries, mangroves and other coastal waters with salinity ranging from 0.0 to 39.3 ppt. Crested gobies favor mangroves because it uses the extensive underwater roots for shelter and hiding.
Diet
Crested goby feed mainly on
algae
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...
, but are opportunistic feeders and will take small
insects,
crustaceans
Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...
and
molluscs.
Reproduction
The vast majority of crested gobies are born females, but some will change to males during their lifespan. Only a small number of individuals are born male; those that are will stay that way for life. Crested goby lay their eggs in rocky areas along the sea bed, where they are secured from being swept away by harsh currents. While they produce a relatively low amount of eggs, crested gobies can breed anytime throughout the year.
References
{{Taxonbar, from=Q2695020
Gobiidae
Fish described in 1770