Eptatretus Wisneri
📖 Overview
Eptatretus Wisneri (Eptatretus wisneri) is a ray-finned fish of the family Myxinidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 33.5 cm. It occurs at depths between 330 and 412 metres. With a trophic level of 4, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Brachial length 4.58% of total length; six pairs of gill pouches and gill apertures, gill apertures closely spaced in straight line; external opening of pharyngocutaneous duct (PCD) confluent with the most posterior left gill aperture (51 of 59 specimens examined), and much larger than other apertures; fused unicuspid teeth; eye spots present but not clear .: eel-like.
🌀 Behaviour
Behavioural data for Eptatretus Wisneri is currently being reviewed.
🦐 Diet
Diet information for Eptatretus Wisneri is currently being compiled.
🥚 Reproduction
Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies .
🌍 Habitat & Distribution
Marine; bathydemersal; non-migratory; depth range 330 - 412 m . Deep-water Northwest Pacific: southeast of Taiwan.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Paramyxine wisneri | Kuo, Huang & Mok | 1994 | Homotypic |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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