Taiwanese Wedgefish
📖 Overview
A benthic species that was recently discovered and not well known, but apparently lives in shallow water on the continental shelf. Probably feeds on bottom-dwelling crustaceans and fishes . Specimens caught are all immature that most probably the maximum length of this medium-size wedgefish could be less than 150 cm TL .
🔬 Taxonomy
🐟 Physical Description
This medium-sized species is distinguished by the following set of characters: snout is broad, and wedge-shaped; preoral snout 19-21% TL; small eye, its length 4.1-4.5 in preorbital snout; interorbital space 2.6-2.9 in preorbital snout; about 48 tooth rows; no spines from snout; supraorbital spines are small, well differentiated, and extending from preorbit to beyond end of spiracle; predorsal spines are relatively well developed; 2 disjunct rows of 6-9 small scapular spines on each side of the disc; predorsal space 48-49% of total length; origin of the first dorsal fin is well behind origin of pelvic-fin bases; total pectoral-fin radials 65-68; vertebrae with 28-30 monospondylous precaudal centra, 124-131 precaudal free centra, 38-42 diplospondylous caudal (free) centra, 165-170 total free centra, 179-184 total centra (including synarcual centra). Colouration: dark greenish brown dorsally with a few white spots scattered on pectoral disc; no black pectoral marking; prominent row of white spots start just forward of a single white spot (above pelvic-fin origin) and coalescing posteriorly to form a white mid-lateral line on tail; orbital membrane is white with dark bar over eye; no alternating light and dark markings on the interorbital space .: other (see remarks); Cross section: flattened.
🌀 Behaviour
Behavioural data for Taiwanese Wedgefish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; pelagic-neritic. Subtropical; 23°N - 25°N, 120°E - 122°E Northwest Pacific: confirmed from Taiwan; probably more widespread.
🌿 Ecology
bottom-dwelling crustaceans and fishes (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
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