Bicolor toadfish (Opsanus dichrostomus)

Scientific name: Opsanus dichrostomus Collette, 2001

Bicolor toadfish (Opsanus dichrostomus)

The Bicolor toadfish (Opsanus dichrostomus) is a marine fish of the family Batrachoididae. Native range: Western Atlantic, Western Caribbean Sea and southern Gulf of Mexico.

Biology

Dorsal spines (total): 3; Dorsal soft rays (total): 23-26; Anal soft rays: 20 - 22; Vertebrae: 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Opsanus dichrostomus
Family
Batrachoididae (Toadfishes)
Order
Batrachoidiformes (Toadfishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
12.6
Depth range
1–5 m (3–16 ft)
Environment
Marine; demersal; depth range 1 - 5 m
Climate
Subtropical
Distribution
Western Atlantic: Western Caribbean Sea and southern Gulf of Mexico.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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