分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Evorthodus: Greek, eu = good + Greek, ortho = right + Greek, odous = teeth (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 46888). 20°C - 30°C (Ref. 2059); 40°N - 7°N
Western Atlantic: Chesapeake Bay, USA and northern Gulf of Mexico to northern South America; absent in the Bahamas, but present in Greater Antilles.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26340)
背棘 (總數) : 6; 背的軟條 (總數) : 11; 臀棘: 0; 臀鰭軟條: 12. Caudal fin large and bluntly pointed with dark lyre-shaped mark on base consisting of 2 dark spots separated by pale central area. Snout very short, mouth small and inferior. Adults have first 3 or 4 dorsal fin spines elongate, reaching from third to sixth ray of second dorsal in females, to base of caudal peduncle in males. Predorsal area and top of head scaled as far forward as eye (Ref. 26938).
Occur mainly in muddy backwaters of bays and estuaries, often in foul waters. Also found on muddy bottoms of fresh water (Ref. 13628).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Benthic spawner.
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. (Ref. 7251)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 12 February 2019
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Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 28.2, mean 27.1 °C (based on 636 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00442 - 0.02163), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
