Humpback Brotula
📖 Overview
Humpback Brotula (Grammonus robustus) is a ray-finned fish of the family Bythitidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 21 cm. It occurs at depths between 45 and 345 metres. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 75 - 87; Anal spines: 0; Anal soft rays: 50 - 62. Body color reddish-brown. Head large and broad. Scales present on head. Opercular spine small, but with a sharp pointed tip. Attains 21 cm SL.: elongated; Cross section: oval.
🌀 Behaviour
Behavioural data for Humpback Brotula is currently being reviewed.
🦐 Diet
Diet information for Humpback Brotula is currently being compiled.
🥚 Reproduction
Reproduction data for Humpback Brotula is currently being compiled.
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 45 - 345 m . Deep-water West Pacific: Red Sea, Japan, East China Sea, and the Philippines.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Humpback Brotula · Humpback Cusk |
| 🇯🇵Japanese | Sedakaitachiuo · Semushi-itachiuo · セダカイタチウオ |
| 🇵🇹Portuguese | Brotula-corcunda |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Oligopus robustus | Smith & Radcliffe | 1913 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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