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Down arrow Cat-eLog Data Sheet
Scientific Name Bagre marinus  (Mitchill, 1815)
Common Names Gafftopsail Catfish
Bagre Cacumo (Puerto Rican), Topsejlmalle (Denmark)
Type Locality New York, U.S.A.
Synonym(s) Aelurichthys longispinis, Felichthys marinus, Galeichthys bahiensis, Galeichthys blochii, Galeichthys parrae, Silurus marinus
Pronunciation BAG ray - mar in uss
Etymology Bagre: From the Mozarabic bagre, taken from Greek, pagros, meaning fish (of the genus Dentex). Now used in Spanish vernacular to mean catfish. 
Down arrow Species Information
Size 690mm or 27.2" SL. Find near, nearer or same sized spp.
Identification Overall gray with a blue sheen. Barbels on upper jaw noticeably flat. Long filaments on pectoral and dorsal fins reaching nearly to or beyond the anal fin. Caudal fin deeply forked with slightly longer upper lobe. Anal fin with concave margin.
General Remarks Where plentiful, they are caught on longlines, bottom trawls, shore seines, cast nets, and hook and line. Not considered a food fish in North America, but eaten throughout the Caribbean and Northern South America where its flesh is considered tasty.
Down arrow Habitat Information
Distribution Western Atlantic: coast of Gulf of Mexico, Cuba, western margin of the Caribbean, and the northern margin of South America. Sometimes in rivers and estuaries.
Atlantic, West Atlantic (click on these areas to find other species found there)
Atlantic, Gulf of Mexico (click on these areas to find other species found there)
Atlantic, Caribbean Sea (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2014.
pH 8.0 - 8.4
Temperature 10.0-20.0°C or 50-68°F (Show species within this range)
Other Parameters This is a true marine fish.
Down arrow Husbandry Information
Feeding An opportunistic feeder in the wild that would be expected to consume a wide range of aquarium fare.
Furniture A marine aquarium containing a sand substrate and live rock to provide hiding places.
Compatibility Other cold to cool water marine fishes that are too large for this fish to eat.
Breeding Unreported. It is known that spawning in the wild occurs from May to June and that the male holds the large fertilized eggs in its mouth for up to two months until they hatch. The male does not eat during the incubation period.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Transactions of the Literary and Philosophical Society of New-York v. 1 (art. 5) (for 1814), pp 433.
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Last Update 2020 Sep 19 02:33 (species record created: 2001 Nov 11 00:00)