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Scleromystax
Scleromystax is a genus of fish in the family Callichthyidae endemic to small tributaries from several coastal river basins draining the southern and southeastern regions in Brazil. Most of the species of Scleromystax are highly sexually dimorphic; males have developed odontodes inserted in fleshy papillae on the preopercular-opercular region and the dorsal and pectoral fins are 2–3 times as long as those of females. S. salmacis is an exception, as its sexually dimorphic features are subtle and non-remarkable.
7 branches of this genus, most-observed first · about 7 known species
Banded Cory
speciesScleromystax barbatus
Scleromystax lacerdai
speciesScleromystax lacerdai
Scleromystax reisi
speciesScleromystax reisi
Scleromystax virgulatus
speciesScleromystax virgulatus
Sailfin Cory
speciesScleromystax macropterus
Prionotos Cory
speciesScleromystax prionotos
Scleromystax salmacis
speciesScleromystax salmacis
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Scleromystax in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 91937.