Xenisthmus Nigrolateralis
📖 Overview
Xenisthmus Nigrolateralis (Xenisthmus nigrolateralis), first described by Chen, Harefa, Jiang & Chang, 2022 is a tiny fish in the family Xenisthmidae (order Gobiiformes). Adults typically reach 2.80 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 5 to 10 metres. It occurs in Subtropical 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): 13; Anal spines: 1; Anal soft rays: 13. The species is distinguished from its congeners by the following set of characters: D2 I,13; A I,13; pectoral fin rays16; longitudinal scale series 68-70; perdorsal scales 23; vertebral count 10 + 16 = 26; preopercular canal with rather more, 5 pores ?1, ?, ?, ?, and ?1, Colouration: lateral side of trunk with a broad, deep brown stripe from the rear of lateral gill opening to caudal fin base; dorsal profile of the lateral, broad deep brown stripe with waving margin; caudal with median blackish brown mark, and with outer region translucent; caudal fin base with a vertical black bar .Cross section: oval.
🌀 Behaviour
Behavioural data for Xenisthmus Nigrolateralis is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 5 - 10 m . Subtropical Northwest Pacific: Taiwan.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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