Naked shellear
📖 Overview
Naked shellear (Cromeria nilotica) is a ray-finned fish of the family Kneriidae. It inhabits freshwater waters. This species can reach a maximum total length of 2.9 cm. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 9 - 10; Anal soft rays: 9 - 10; Vertebrae: 41 - 45. Diagnosis: pelvic fin origin well in front of anterior base of dorsal fin; preorbital stripe absent; caudal peduncle depth 10.1-12.9% of SL; dorsal precaudal fin fold more pronounced, reaching base of dorsal fin; 6-7 pectoral fin rays; 6 (rarely 7) pelvic fin rays; 3 (rarely 2) supernumerary rays in anal fin; 7 dorsal fin pterygiophores; 8+8 principal caudal fin rays; cephalic lateral line canals and supraorbital bone absent; parasphenoid slender, without foramina for internal carotid arteries; neural spine of 2nd vertebra long and slender, at least 2 times length of its vertebral centrum and similar in shape to subsequent neural spines . : elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Naked shellear is currently being reviewed.
🦐 Diet
Diet information for Naked shellear is currently being compiled.
🥚 Reproduction
Reproduction data for Naked shellear is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical South Sudan (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Cromeria nilotica nilotica | Boulenger | 1901 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 6 records indexed .
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