Peristedion imberbe

Common Name

Tropical Armored Searobin

Year Described

Poey, 1861

Identification

Dorsal Fin: VIII, 18-19
Anal Fin: 19
Pectoral Fin: 12 + 2 free rays
Gill Rakers: 4-5+20-23

Body elongate and flattened ventrally, with four rows of thick, heavy scales forming an armor-like covering. Body rounded. Head quite slender with head not being much wider than body at anus. Head with long, flattened duck-bill snout about the width of eyes and squared-off at tip. Rostral projections very long (almost snout length), thin, and slightly divergent. Head heavily armored. Edges of snout and head smooth. Edge of head narrow with not much of a bony shelf. Edge of head ending in a sharp spine. Eye moderate. Interorbital distance wide. No spines at snout base or at nostril. 5-7 short lip barbels in two clusters. There are 17-23 short chin barbels in six clusters. Longest barbels do not reach beyond head margin. Dorsal fins separated: the first small and second long-based. Anal fin about the same length as dorsal fin. Pectoral fins moderate and fan-like with two long free rays that are used to interact/crawl along the seafloor. Pelvic fins small and widely separated under pectoral base. Caudal fin truncate.

Color

Head and body whitish to pink with red blotches and marbling, especially on rear body. Sometimes has indistinct banding, especially on rear body. Belly whitish. Pectoral fins reddish with dark spotting and a thin white edge. Dorsal fin with median red stripe. Caudal fin pale basally and red distally. Eye yellow.

Size

Maximum size to 21cm SL.

Habitat

Found on soft bottoms from 137-457m.

Range

E. Florida to Suriname, including the Gulf of Mexico and the Caribbean.

References

Miller, G.C. & W.J. Richards. 2003. Peristediidae. Armoured searobins (armoured gurnards). p. 1278-1285. In: K.E. Carpenter (ed.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Atlantic. Vol. 2: Bony fishes part 1 (Acipenseridae to Grammatidae).

Teague, G.W. 1961. The armored sea-robins of America, a revision of the American species of the family Peristediidae. Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 7 (no. 2): 1-27, 2 pls. + Pls. 1-3.