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🌊 Marine 🌡️ Temperate

Harriotta Chaetirhamphus

Harriotta chaetirhamphus Tanaka, 1909
Max Length
67 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
906–1654 m
Climate
Temperate
Resilience
-
Vulnerability
51.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Harriotta Chaetirhamphus (Harriotta chaetirhamphus) is a ray-finned fish of the family Rhinochimaeridae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 67 cm. It occurs at depths between 906 and 1654 metres. With a trophic level of 3.8, it is a mid-level predator.

Scientific Name
Harriotta chaetirhamphus
Authority
Tanaka, 1909
Habitat
Marine
Climate
Temperate
Max Length
67 cm
Depth Range
906–1654 m
Trophic Level
3.8
Vulnerability
51.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following characters: eye with its length 7-9% BDL; interorbital space 6-9% BDL; snout tip armed with small knob-like projections, only prominent in male; length of dorsal spine anterior margin 19-24% BDL; pectoral and pelvic fins bluntly pointed; interdorsal space broad 24.8-26.8% BDL; length of caudal dorsal margin (CDM) shorter than caudal ventral margin, CDM 49-62% BDL; length of caudal upper ray (CUR) shorter than that of lower ray, CUR 4-5% BDL; infraorbital canal strongly curved anterior to eye, gently curved; claspers with its outer length 16% BDL and its base width 1% BDL; tip of the clasper a small bulb, with several simple spines sparsely distributed; the slit running longitudinally from dorsolateral base of rod to the ventromesial surface of the knob, running along the dorsal side of the clasper is not prominent .Cross section: angular.

🌀 Behaviour

Behavioural data for Harriotta Chaetirhamphus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 906 - 1654 m . Temperate

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00195 × L3.15 (TL)
Max TL
67cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Climate Zone
Temperate
Described By
Tanaka, 1909

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