Ogcocephalus declivirostris
Slantbrow Batfish
NS
GNR
Collection Details
Specimens
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Lophiiformes (Anglerfish)
Ogcocephalidae (Batfishes)
Ogcocephalus
Ogcocephalus declivirostris (Slantbrow Batfish)
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.)
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Characters
Depressed and subtriangular anteriorly, with a relatively short rostrum sloping downward; rostrum rod-shaped, with a narrow base, and length is 12% to 29% of length of disc margin; cranium rises in gradual curve above disc, and head depth is 48% to 56% of length of disc margin; width of cranium is 27% to 37% of length of disc margin; eye is 63% to 71% of width of cranium; interorbital space is concave, 29% to 48% of width of cranium, and 18% to 30% of head depth; mouth width is 53% to 71% of head depth and 27% to 36% of length of disc margin; jaw length is 37% to 48% of head depth; teeth conical, retrorse, villiform, and in bands in jaws, tongue, vomer, and palatine; gill filaments on second and third gill arches and on anterior part of fourth gill arch; gill rakers oval plates with conical, villiform teeth; pectoral fin has well-developed armlike pedicle, is well separated from body, and has 10 to 12 rays; ventral surface of pectoral fin rays lacks fleshy pads; illicial cavity small, and oval to subtriangular shaped; esca has two prominent lateral lobes and a single median lobe; second dorsal fin has 3 to 5 unbranched rays; pelvic fin narrow-based and flared distally, and fin ray tips lack fleshy pads; anal fin has 3 or 4 rays; body covered with close-set tubercles and bucklers; ventral surface of tail covered with tubercles and short row or scattering of small bucklers; lateral line scales extend in unbroken series from postorbital region to caudal fin and number 22 to 28, averaging 24.9; vertebrae number 18 to 20
Gray to tan, with apices of bucklers paler than ground color; head, shoulder, and side of tail occasionally have dull, rounded spots; pectoral fin dusky and occasionally darker toward tips; second dorsal fin dusky with some splotches; caudal fin dark basally, light medially, and black distally; ventral surface, pelvic fin, and anal fin light
Distribution
Western Atlantic from the northern and western Gulf of Mexico and the Straits of Florida
Western Gulf of Mexico
Habitat Associations
3.5 to 180 m, and 388 m (single specimen)
Biology
Maximum known size is 137 mm SL
Occurs at depths from 3.5-388 m.
IUCN Red List Status: Least Concern (LC), assessed 2011-08-11. Resilience: Medium (Preliminary K or Fecundity.).
References
Hoese and Moore 1977
Bradbury 1980
C. R. Robins et al. 1986
Boschung 1992
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.
Bradbury, M.G. (1980) A revision of the fish genus Ogcocephalus with descriptions of new species from the western Atlantic Ocean (Ogcocephalidae: Lophiiformes). Proc. Calif. Acad. Sci. 42(7):229-285.
Comments On Ogcocephalus declivirostris