Teleostei (teleosts) >
Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Eponymy: Dr Tomio Iwamoto (d: 1939) is Curator Emeritus, Ichthyology at the Institute for Biodiversity Science and Sustainability at California Academy of Sciences. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 37 - 184 m (Ref. 3814). Tropical; 37°N - 34°S, 98°W - 34°W
Western Atlantic: North Carolina in USA to Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm NG male/unsexed; (Ref. 5515)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 19 - 21; Dorsal soft rays (total): 33 - 40; Anal spines: 2; Anal soft rays: 7 - 8; Vertebrae: 25. The head of juveniles and young adults may have a large dark wedge-like spot above and behind orbits; black peritoneum; branchial cavity with black lining. Slender caudal peduncle. Head with ground color; irregular dark blotch on operculum. Body tan to dark brownish black. The dark band and stripe become less distinct in bigger specimens. Fins dark-colored (generally black).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 17.7 - 27.1, mean 23.5 °C (based on 113 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00415 - 0.01744), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.58 se; based on food items.
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).