Nezumia Rara

📖 Overview

Nezumia Rara (Nezumia rara) is a ray-finned fish of the family Macrouridae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 45 cm. It occurs at depths between 621 and 1100 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 10 - 11. This species is distinguished by the following characters: pelvic-fin rays 10-11; short snout protruding scarcely beyond upper jaw, its length 26-28% HL, ventral contour almost vertical in lateral view; underside of the snout broadly naked; ventral surfaces of head scaled posterior to lateral angles of the snout; the mandibular rami mostly scaled; orbit-preopercle distance 39-41% HL; interorbital width 20-22% HL; pelvicfin length 46-54% HL; length of outer gill slit 13-16% HL; the second spinous ray of first dorsal fin is not extremely prolonged (height of fin 80-98% HL); body scales covered with short, greatly reclined, narrowly triangular spinules in tightly packed, convergent rows or densely scattered over the exposed part; tip of the last spinule in each row extending slightly beyond posterior scale margin; middle row of spinules are not enlarged; scales below the second dorsal-fin origin 9-10; presence of cephalic sensory pores along all canals, but barely discernible; absenc of the prominent dark band encircling the trunk; first dorsal fin uniformly dark .Cross section: compressed.

🌀 Behaviour

Behavioural data for Nezumia Rara is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 621 - 1100 m . Temperate Northwest Pacific: Japan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute