Fin-joined Goby
Gobulus birdsongi
Overview
The Fin-joined Goby (Gobulus birdsongi) is a small marine fish characterized by its distinctive fused pelvic fins that form a disc-like sucker structure. This cryptic species displays mottled brown and gray coloration that provides excellent camouflage among coral rubble and rocky substrates. As a benthic predator, it plays an important role in controlling small invertebrate populations while serving as prey for larger reef fish.
The Fin-joined Goby faces severe threats primarily from habitat degradation and loss of its specialized coral reef environment in the Caribbean. Climate change-induced coral bleaching, coastal development, and water pollution are rapidly destroying the limited reef habitats this endemic species depends on for survival.
Habitat
The Fin-joined Goby inhabits shallow coral reef environments, particularly favoring crevices and caves within coral formations at depths of 3-25 meters. It shows strong preference for areas with mixed coral rubble, live hard corals, and sandy patches where it can easily anchor using its specialized fin disc.
Other threatened species in Gobiidae
Threatened in Panama
Frequently asked questions
Why is Fin-joined Goby classified as Critically Endangered?
Where does Fin-joined Goby live?
What are the main threats to Fin-joined Goby?
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