分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria) >
Gerreidae (Mojarras)
Etymology: Eugerres: Greek, eu = good, well + Latin, gerres = a kind of anchovies; cited by Plinius; mexicanus: Named for the late Dr. José Luis Castro Aguirre, who made several important contributions to our understanding of Mexican fish fauna (Ref. 93806).
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 8.0 - ?. 熱帶
Central America: Atlantic slope of southern Mexico and northern Guatemala.
中美洲: 墨西哥南部與瓜地馬拉北部的大西洋斜坡。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 20.5 range ? - ? cm
Max length : 24.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 93806); 最大体重: 347.00 g (Ref. 93806)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 9; 背的软条 (总数) : 10; 臀棘: 3; 臀鳍软条: 8.
A tropical, demersal species confined to freshwater environment unlike other congeners (Ref. 33568). Collected from below surface in channel with sandy-slime bottom (pH 8.0, conductivity 478 µÊS/cm, dissolved solids 242 mg/l, dissolved oxygen 6.9 mg/l, and 26°C) using a 90 cm seine net. Food fish (Ref. 93806).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
中美洲: 墨西哥南部與瓜地馬拉北部的大西洋斜坡。
Deckert, G.D. and D.W. Greenfield, 1987. A review of the western Atlantic species of the genera Diapterus and Eugerres (Pisces: Gerreidae). Copeia 1987(1):182-194. (Ref. 33568)
人类利用
渔业: 商业性
工具
特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00899 - 0.02218), b=3.09 (2.96 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
