Prionotus roseus
Bluespotted Searobin
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Scorpaeniformes (Lionfish, Stonefish and others)
Triglidae (Searobins)
Prionotus
Prionotus roseus (Bluespotted Searobin)
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
Moderately large head; very long pectoral fins; snout moderately long, depressed anteriorly, and slightly concave in profile; rostral projection poorly developed and broadly rounded, with crenate margin; mouth subterminal and relatively small; villiform teeth in bands in jaws, palatine, and vomer; gill rakers on first arch 7-10, with none on upper limb and 1 in corner; head length 28%-33% SL, head depth 16%-21% SL, snout length 13%-15% SL, orbit diameter 5%-6% SL, interorbital width 3%-4% SL, upper jaw length 10%-11% SL, preopercular spine length 6%-10% SL, pectoral fin length 58%-74% SL, first free pectoral ray length 19%-22% SL, body depth 14%-19% SL; joined pectoral fin rays 12-14; first dorsal fin with 10 spines, second dorsal fin with 12 rays; anal fin rays 10-12; body covered with small ctenoid scales, including belly, chest, and throat; lateral scale rows 89-104
Light brown to grayish brown on dorsal surface and upper sides, and whitish to tan on lower sides and ventral surface; dorsal fin dark, with black spot between fourth and fifth spines; pectoral fin dark, with bright blue oval spots symmetrically arranged along rays; anal fin unpigmented or peppered with black spots distally
Distribution
Western Atlantic from North Carolina to Brazil, including the entire Gulf of Mexico and the Greater and Lesser Antilles
Habitat Associations
Soft bottoms in 9-183 m depth, most abundant between 27 and 91 m
Soft bottoms
Biology
Polychaetes, mysids, gammaridean amphipods, shrimps, crabs, and ray-finned fishes, with shrimps composing the majority of the organisms
Maximum known size is about 200 mm SL
Gonadal development begins in late fall, and spawning takes place from April to September; maturity reached at about 90 mm SL
Found from bays and estuaries to the mid-shelf.
IUCN Red List Status: Least Concern (LC), assessed 2012-08-21. Resilience: Medium (Preliminary K or Fecundity.).
References
Longley and Hildebrand 1941
Ginsburg 1950
Lewis and Yerger 1976
Hoese and Moore 1977
Hoese and Moore 1998
Ross 1983
Uyeno and Sato 1983c
Robins and Ray 1986
Cervigón 1991
Cervigón 1993a
Boschung 1992
Russell et al. 1992
Huidobro-Campos and Schmitter-Soto 1993
Schaldach et al. 1997
Smith 1997
Castro-Aguirre et al. 1999
Richards and Miller 2002a
Robins, C.R. and G.C. Ray (1986) A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p.
Uyeno, T., K. Matsuura and E. Fujii (eds.) (1983) Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p.
Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein (2000) Food of northwest Atlantic fishes and two common species of squid. NOAA Tech. Memo. NMFS-NE 155, 138 p.
Richards, W.J. (1996) Triglidae: searobins. p. 797-805. In H.G. Moser (ed.) The early stages of fishes in the California Current region. California Cooperative Oceanic Fisheries Investigations (CalCOFI) Atlas No. 33. 1505 p.
Kells, V. and K. Carpenter (2011) A field guide to coastal fishes from Maine to Texas. The Johnson Hopkins University Press, Baltimore, Maryland.
Patzner, R.A. (2008) Reproductive strategies of fish. pp. 311-350. In Rocha, M.J., A. Arukwe and B.G. Kapoor (eds). Fish reproduction: cytology, biology and ecology. Science Publisher, Inc. Oxford. 631 p.
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