分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Batrachoidiformes (Toadfishes)
蟾魚目 (Toadfishes) >
Batrachoididae (Toadfishes)
蟾魚科 (Toadfishes) > Batrachoidinae
Etymology: dichrostomus: From the bicolor mouth..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 1 - 5 m (Ref. 41041). 亞熱帶的
Western Atlantic: Western Caribbean Sea and southern Gulf of Mexico.
西大西洋: 加勒比海西部海洋與墨西哥灣南部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 41041)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 3; 背的軟條 (總數) : 23 - 26; 臀鰭軟條: 20 - 22; 脊椎骨: 32 - 35. Narrow interorbital distance (29-65 thousandths of SL), usually less than the diameter of the orbit (60-104 thousandths of SL), versus usually equal to or wider than the orbit diameter in other Opsanus species. Similar to O. phobetron, both usually have the posterior part of lower half of the mouth darkly pigmented in specimens over 7 cm SL. Upper lateral-line papillae 26, lower 23. Pectoral fin glands 12, starting between uppermost 2 pectoral fin-rays (Ref. 41041).
狹窄的眼間距 (29-65/SL*1000), 通常少於眼窩 (60-104/SL*1000) 的直徑, 對通常等於或者比其他的 Opsanus 種的眼窩直徑寬。 類似 O. phobetron, 兩者都通常有暗被有顏色在超過 7 公分 SL 的標本中的嘴巴的下半部的後面的部份。 上面的側線乳突 26, 低的 23. 胸鰭腺 12, 起點在最上面的 2 個胸鰭鰭條之間.(參考文獻 41041)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西大西洋: 加勒比海西部海洋與墨西哥灣南部。
Collette, B.B., 2001. Opsanus dichrostomus, a new toadfish (Teleostei: Batrachoididae) from the western Caribbean Sea and southern Gulf of Mexico. Occas. Pap. Mus. Zool. Univ. Mich. (731):1-16. (Ref. 41041)
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Estimates based on models
Preferred temperature (Ref.
123201): 26.6 - 28.3, mean 27.5 °C (based on 256 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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).
營養階層 (Ref.
69278): 3.5 ±0.6 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).
