Myopsaron Nelsoni

📖 Overview

Myopsaron Nelsoni (Myopsaron nelsoni), first described by Shibukawa, 2010 is a tiny fish. Adults typically reach 3.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 51 to 99 metres. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 14 - 16; Anal soft rays: 16 - 18; Vertebrae: 43 - 45. This species is unique in having the following characters: a globular fleshy extension at tip of upper jaw; lateral line divided into 2 parts, with 3 (rarely 2 or 4) grooved scales in the anterior series and 33-35 pored scales with distinct posterior lobe in the posterior series; higher counts of precaudal vertebrae than caudal vertebrae (24-26 + 18-21 = 43-45); edentate premaxilla; D 14-16; A 16-18; dorsal- and anal-fin rays 30-34, both fins restricted to posterior half of body; anal-fin origin below first to third dorsal-fin rays; pelvic-fin I,3-4 (almost always I,3); fourth pectoral- and first pelvic-fin rays greatly elongated and filamentous in male; all dorsal-, anal-, pectoral- and pelvic-fin segmented rays unbranched; caudal-fin rays 9 branched; anal-fin pterygiophores 1 (rarely two) anterior to first haemal spine; vomer and palatine teeth absent, 1 to 3 minute conical teeth on middle of dentary; epurals 2; both anterior and posterior nares pore-like; suborbital skin fold discontinuous at midway; infraorbital canal shortly interrupted below eye; mandibular canal not joined with preopercular canal .: eel-like.

🌀 Behaviour

Behavioural data for Myopsaron Nelsoni is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 51 - 99 m . Subtropical Northwest Pacific: endemic to Ogasawara Islands, Japan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

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