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🌊 Marine Least Concern 🌡️ Tropical

Karin's coralbrotula

Diancistrus karinae Schwarzhans, Møller & Nielsen, 2005
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–16 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Karin's coralbrotula (Diancistrus karinae), first described by Schwarzhans, Møller & Nielsen, 2005 is a small fish in the family Dinematichthyidae (order Ophidiiformes). Adults typically reach 7.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 16 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species largely solitary in behaviour. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Diancistrus karinae
Authority
Schwarzhans, Møller & Nielsen, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
7.5 cm
Depth Range
0–16 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 78 - 83; Anal soft rays: 61 - 68; Vertebrae: 43 - 46. This species is characterized by the following: Vertebrae 11-12+32-35=43-46, dorsal fin rays 78-83, anal fin rays 61-68; very large eyes (2.7-3.8% SL), D/V 7; outer pseudoclasper large, about 1 1/2 length of inner pseudoclasper, wing-shaped, flat and its posterior part strongly bent backward; inner pseudoclasper joined to outer pseudoclasper anteriorly, long, single-pointed tip strongly extending over anterior part of inner pseudoclasper; scale patch on cheek with 5-6 scale rows on upper cheek, large scale patch on operculum continuous above and below opercular spine; head high, usually high-necked; otolith length to height ratio 2.0-2.1 . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Karin's coralbrotula 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; benthopelagic; depth range 0 - 16 m . Tropical Central Pacific: from the Philippines to the northern tip of Sulawesi (Indonesia) in the west and the oceanic islands of Palau, Pohnpei (Micronesia) and Hermit (PNG) islands in the east.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.3±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7.5cm
Dorsal Rays
81
Anal Rays
65
Vertebrae
45

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans, Møller & Nielsen, 2005

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