| Family: |
Bythitidae (Livebearing brotulas) |
| Max. size: |
14 cm SL (male/unsexed) |
| Environment: |
bathypelagic; marine; depth range 366 - 3270 m |
| Distribution: |
Western Central Atlantic: Gulf of Mexico and the Caribbean Sea. |
| Diagnosis: |
Dorsal soft rays (total): 62-78; Anal soft rays: 46-59; Vertebrae: 68-75. Barathronus bicolor differs from the other five species of the genus with dark-pigmented peritoneum by the following combination of characters: D 62-78, A 46-59, pectoral-fin rays 22-27, anterior gill arch with 28-35 long rakers; vertebrae, precaudal 31-36, total 68-75; vomer with 1-5 fangs; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; penis in ripe specimens long (up to 15% SL) and slender; fresh specimens light brownish with dark-blue peritoneum; otolith almost circular three times as long as thick and centrally placed sulcus 3-4 times in length of otolith (Ref. 121928). |
| Biology: |
Common species (Ref. 34024). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 09 October 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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