Manducus maderensis
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Stomiiformes
Gonostomatidae (Bristlemouths)
Manducus
Manducus maderensis
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
Elongate and moderately slender, with a large mouth and two rows of photophores. Premaxillary teeth are uniserial, with 3 to 7 enlarged teeth separated by small teeth. Premaxilla is equal in length to maxilla. Teeth on posterior section of maxilla are straight, close-set, and shorter than enlarged premaxillary teeth. Pseudobranch is present. Vomer has 1 to 6 small teeth on each side, and palatine has row of 9 to 15 small teeth. Gill filaments are long and free at base. Gill rakers on first arch number 12 to 14. Branchiostegal rays number 13, with 4 on epihyal. Dorsal adipose fin is absent. Anus is closer to anal fin origin than to pelvic fin insertion. Dorsal fin has 12 or 13 rays, and anal fin has 36 to 41 rays. Last dorsal and anal fin rays are split to base. Photophores are present on symphysis of lower jaw and on isthmus. One orbital photophore (ORB) is near anterior margin of orbit. OP number 3, and BR number 8 to 9. IV number 30 to 33, with last on pelvic fin base, and VAV number 12 to 14. OA number 45 to 48 and extend over anal fin. AC number 28 to 30 and are evenly spaced. Accessory photophores occur above toothed section of maxillary, posterior to symphyseal photophore, and along lateral line anterior to pectoral fin.
Color is dark on dorsal aspect and silvery on flank.
Distribution
Eastern seaboard of the United States, Bahamas, Straits of Florida, Gulf of Mexico
Gulf of Mexico (reported only once)
Habitat Associations
Tropical Atlantic, between 400 and 800 m during the day and up to the surface at night
Biology
Maximum known size is 279 mm SL
Exhibits diel vertical migrations (Ref. 4769); found between 400-800 m during the day and near the surface at night (Ref. 3991).
IUCN Red List Status: Data Deficient (DD), assessed 2013-05-16. Resilience: Medium (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by the combination of characters described
Commercial or Environmental Importance
Fisheries: of no interest.
References
Grey 1964
Badcock 1984a
Schaefer et al. 1986b
Smith et al. 1991
Schaefer, S., R.K. Johnson and J. Badcock (1986) Gonostomatidae. p. 247-253. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
Quéro, J.-C., J.C. Njock and M.M. de la Hoz (1990) Gonostomatidae. p. 283-292. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1.
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.
McEachran, J.D. and J.D. Fechhelm (1998) Fishes of the Gulf of Mexico. Volume 1: Myxiniformes to Gasterosteiformes. University of Texas Press, Austin. 1112p.
Bigelow, H.B., D.M. Cohen, M.M. Dick, R.H. Gibbs Jr., M. Grey, J.E. Morrow Jr., L.P. Schultz and V. Walters (1964) Fishes of the western North Atlantic. Part four. New Haven, Sears Found. Mar. Res., Yale Univ.
Comments On Manducus maderensis