Halfbelt wriggler
📖 Overview
Halfbelt wriggler (Xenisthmus semicinctus), first described by Gill & Hoese, 2004 is a tiny fish in the family Xenisthmidae (order Gobiiformes). Adults typically reach 1.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 2 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 12; Anal spines: 1; Anal soft rays: 11; Vertebrae: 27. A species of Xenisthmus with the following combination of characters: second dorsal-fin rays I,12; A I, 11; vertebrae 10 + 17; indented tongue; well-developed flap on anterior rim of posterior naris; 12 large, closely spaced spots on upper sides of body, each connecting dorsally to, or almost to, mid-line by short, brown to dark brown bar; predorsal area broadly scaled to just behind vertical through posterior edge of preopercle, with narrow median wedge of scales extending further forward almost to pore D .: elongated.
🌀 Behaviour
Behavioural data for Halfbelt wriggler is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 1 - 2 m . Tropical Indian Ocean: Rowley Shoals, Western Australia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Halfbelt wriggler ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.