Chiasmodon Harteli

📖 Overview

Chiasmodon Harteli (Chiasmodon harteli) is a ray-finned fish of the family Chiasmodontidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 19.8 cm. It occurs at depths between 495 and 1417 metres. With a trophic level of 3.7, it is a mid-level predator.

🔬 Taxonomy

🐟 Physical Description

This species is distinguished from its congeners by having 47-48 total vertebrae (vs. 42-46) and with 6 supraorbital pores (vs. 7 or 8). It further differs from C. braueri by teeth on the second ceratobranchial absent (vs. present); from C. microcephalus by 3-18 teeth on second basibranchial 18, rarely 2, often present on second hypobranchial (vs. usually no teeth on second basibranchial, rarely 1-3); from C. niger having by 89-95 lateral-line pores (vs. 86-90); from C. pluriradiatus and C. asper by having 13-14 pectoral-fin rays (vs. 15-16); no tiny dermal spinules on body in specimens larger than 48.7 mm (vs. spinules present), one fang on premaxillary head (vs. 2), 7 supraorbital pores (vs. 8 in C. pluriradiatus, 9 in C. asper); from C. subniger by having 13-16 (usually 14) infraorbital pores, infraorbital 1 pores seven to eight (vs. 11-13 infraorbital pores, infraorbital 1 pores five to six), snout elongate and pointed, 23.0-26.6% HL (vs. short and blunt, 21.4-23.9% HL), upper jaw 74.3-84.2% HL (vs. 63.9-72.7% HL); lower jaw 80.8-89.9% HL (vs. 69.0-76.7% HL), and 90-95 lateral-line pores (vs. 75-87) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Chiasmodon Harteli is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 495 - 1417 m . Subtropical; 70°N - 30°N, 40°W - 11°W

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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