Brochiraja Microspinifera
📖 Overview
Brochiraja Microspinifera (Brochiraja microspinifera), first described by Last & McEachran, 2006 is a medium-sized fish in the family Arhynchobatidae (order Rajiformes). Adults typically reach 32.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 600 to 1200 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.
🔬 Taxonomy
🐟 Physical Description
A dwarf species with the following combination of characters: tail moderately elongate, 1.2-1.4 times disc length, 2.5-2.7 times ventral head length, 5.3-6.3 times snout length; orbit moderately large, 2.1-2.8 in preorbital snout length; tail base moderately broad, width at pelvic-fin insertions 2.1-3.1 times width at midlength; fine dermal dentic1es present over entire dorsal disc; rostral thorns reduced in adult, about equidistant from orbit and snout tip (snout length 1.8-2.1 times their distance from snout tip); mid-dorsal surface of tail naked apart from single row of moderately enlarged thorns extending anteriorly onto interpelvic space; dorsolateral surface of tail with numerous smaller thorns and large denticles; single preorbital thorn, postorbital thorn absent; ventral disc and tail naked; calcified rostral shaft short; alar thorns in small, well-defined patch; malar thorns absent; both surfaces of disc dark brown; with or without pale-edged pores on ventral surface; nuchal pore band indistinct; total pectoral radials 58-63; predorsal vertebrae 81-88; tooth rows in the upper jaw 33-37 .: other.
🌀 Behaviour
Behavioural data for Brochiraja Microspinifera is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 600 - 1200 m . Deep-water Southwest Pacific: New Zealand.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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