- Longfin escolar
Taxobox
name = Longfin escolar
regnum =Animal ia
phylum = Chordata
classis =Actinopterygii
ordo =Perciformes
familia = Scombrolabracidae
genus = "Scombrolabrax"
species = "S. heterolepis"
binomial = "Scombrolabrax heterolepis"
binomial_authority = Roule, 1921The longfin escolar, "Scombrolabrax heterolepis", also known as the black mackerel, is a widespread but uncommon deep seafish that presents some difficulties fortaxonomy .It is placed in its own family Scombrolabracidae, but the family's placement in the
suborder s ofPerciformes has includedScombroidei ,Percoidei , andTrichiuiroidei , while some authors place it in its own suborder Scombrolabracoidei.The fish bears some resemblance to members of
Gempylidae , but has protrusiblepremaxilla , serratedopercle andpreopercle , and a spur on the lowest principal caudal ray, all of which are characteristic ofpercoid s. It's color varies from black to dark brown color. This fish is known to grow to 30 cm in length. The body is covered in soft scales which easily slough off when handled. The eyes are large and there is usually a single pair of elongated teeth in the middle of the top jaw.The longfin escolar is unique among fishes for having several of its
vertebra e hollowed out and filled by evaginations of thegas bladder . It is most often encountered as a bycatch species in pelagic longline fisheries.References
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*J. S. Nelson , "Fishes of the World ".
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