Rouleina Watasei (Rouleina watasei), first described by Tanaka, 1909 is a medium-sized fish in the family Alepocephalidae (order Alepocephaliformes). Adults typically reach 22.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 500 to 1300 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.
Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 21; Anal spines: 0; Anal soft rays: 17 - 19. Head and body compressed. Eye large, circular. Snout strongly curved, nearly vertical at the tip. Gill rakers well-developed. Scales absent from the body except fro modified ring-like lateral line scales.: elongated; Cross section: compressed.
Behavioural data for Rouleina Watasei is currently being reviewed.
Marine; bathypelagic; depth range 500 - 1300 m . Deep-water East China Sea and the Philippines.
| Language | Common Names |
|---|---|
| 🌍CES | uzlatka Wataseova |
| 🇯🇵Japanese | セキトリイワシ |
| 🇨🇳Chinese | 渡瀨魯氏魚 · 黑頭魚 |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Aleposomus watasei | Tanaka | 1909 | Synonym |
| Xenodermichthys funebris | Fowler | 1943 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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