分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Squatiniformes (Angel sharks)
琵琶鮫目 (Angel sharks) >
Squatinidae (Angel sharks)
琵琶鮫科(Angel sharks) (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned). (See ETYFish); mapama: Named for the Ministerio de Agricultura y Pesca, Alimentación y Medio Ambiente, MAPAMA, which is the Spanish governmental organization that operates the R/V Miguel Oliver that facilitated the capture of this angelshark, and other new species of deepwater fishes on both sides of the Central American isthmus..
Issue
Previously confused with Squatina david Acero P., Tavera, Anguila & Hernández, 2016, itself confused with Squatina dumeril Lesueur, 1818
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 1190 - 1259 m (Ref. 125651).
Westen Central Atlantic: Panama.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 125651)
简单描述
检索表 | 型态特徵 | 形态测量图
脊椎骨: 137. This species is distinguished by the following set of characters: with a single row of slightly enlarged dermal denticles along the dorsal midline extending between level just anterior of posterior insertion of pelvic fins and anterior base of first dorsal fin and continuing rearwards along dorsal ridge of tail between first and second dorsal fins; a few large denticles on top of the head; nasal flap squared with a fine fringe on ventral edge; two short lateral barbels bluntly rounded also with a fine fringed margin; males with a dorsal color pattern of small, scattered, dark spots distributed over a uniform light-brown background; pectoral-fin span 52.0-58.1% TL; pelvic-fin span 30.7-31.0 % TL; pre-pectoral-fin length 19.4-19.8% TL; trunk width 18.1-19.5% TL; head length 16.5-17.5% TL; spiracle length 2.2-2.3% TL; eye-to-spiracle length 2.2-5.0 % TL; mouth width 10.5-12.1% TL; nostril width 1.6-2.3% TL; snout-to-pectoral distance 19.4-19.8%; spiracle width 2.2-2.3% TL; pectoral-fin inner margins 17.5-18.3% (Ref. 125651).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Long, D.J., D.A. Ebert, J. Tavera, A. Acero P. and D.R. Robertson, 2021. Squatina mapama n. sp., a new cryptic species of angel shark (Elasmobranchii: Squatinidae) from the southwestern Caribbean Sea. J. Ocean Sci. Found. 38,113-130. (Ref. 125651)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
