Horaglanis Populi

📖 Overview

Horaglanis Populi (Horaglanis populi) is a ray-finned fish of the family Clariidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 3.3 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

🔬 Taxonomy

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: body elongated, round in cross section anteriorly, laterally compressed posteriorly, dorsal profile slightly convex to start of dorsal fin, straight more posteriorly; ventral profile convex in head region, then straight posteriorly; head large, 15.7-20.4% standard length, with dorsally and laterally bulging adductor muscles; snout truncated; mouth wide, terminal; absence of eye; 4 pairs of barbels; 2 mandibular, 1 maxillary and 1 nasal barbel pair; nasal and inner mandibular barbels shorter than maxillary and outer mandibular barbels; maxillary and outer mandibular barbels reaching posterior border of pectoral fins when folded back; large gill opening, extending to slightly above pectoral-fin base; gill membranes united with isthmus; absence of scales; caudal peduncle laterally compressed, 9.3-16.9% of standard length; dorsal fin long, with 22-23 soft rays (xiii-xiv unbranched/8-9 branched), originating in advance of pelvic fin origin; anal fin long, with xiii-xvii unbranched rays, starting opposite dorsal fin ray number 9, ending opposite base of last dorsal fin ray; pectoral fin vestigial, consisting only of modified pectoral fin spine covered by thickened skin; pelvic fin short, wide, with rounded margin, with ii-iv unbranched and 2-4 branched rays; caudal fin with rounded posterior margin, with 8-9 branched and 2-4 dorsal unbranched and 2-4 ventral unbranched rays; head skeleton well ossified; neurocranium with a single large cranial fontanelle, no epiphyseal bridge connecting frontals in dorsal midline; lateral neurocranium wall with large trigeminofacial foramen; supraoccipital with long, narrow and pointed crest; opercle small and subtriangular; and jaws massive, dentary and premaxilla studded with numerous rows of closely set, recurved villiform teeth .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Horaglanis Populi is currently being reviewed.

🦐 Diet

Diet information for Horaglanis Populi is currently being compiled.

🥚 Reproduction

Reproduction data for Horaglanis Populi is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute