分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies)
鱸形目 (Gobies) >
Gobiidae (Gobies)
鰕虎魚科 (Gobies) > Gobionellinae
Etymology: Evorthodus: Greek, eu = good + Greek, ortho = right + Greek, odous = teeth (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / 深度上下限 / 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). 亞熱帶的; 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.
西大西洋: 切薩皮克海灣，美國與墨西哥灣北部到南美洲北部; 不存在於巴哈馬, 但是出現在大安地列斯群島。
大小 / 重量 / 年齡
成熟度: 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).
Body shape (shape guide): fusiform / normal.
尾鰭大而頓尖的有深色的七弦琴-形狀的標誌在基底上包含被灰白中央的區域分開的 2個深色的斑點。 吻非常短的, 嘴小而下方的。 第一個成魚有 3 或 4 背鰭棘延長,在雌性中從第三達到到第二背鰭的第六鰭條,對在雄性中的尾柄的基底。 前背的區域與頭頂像眼一樣的非常向前覆有鱗片的 (. 參考文獻 26938)
Occur mainly in muddy backwaters of bays and estuaries, often in foul waters. Also found on muddy bottoms of fresh water (Ref. 13628).
主要出現在海灣與河口的泥濘洄水區,常見於污穢的瓦蓋上水域中。 也發現於淡水的泥底部。 (參考文獻 13628)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Benthic spawner.西大西洋: 切薩皮克海灣，美國與墨西哥灣北部到南美洲北部; 不存在於巴哈馬, 但是出現在大安地列斯群島。
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: Version 2025-1)
無危 (LC) ; Date assessed: 12 February 2019
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Estimates based on models
Preferred temperature (參考文獻
123201): 23.5 - 28.2, mean 27.1 °C (based on 636 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00444 - 0.02153), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回復力 (參考文獻
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).
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