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🌊 Marine 🌡️ Temperate

Kai Island deepwater dragonet

Bathycallionymus kaianus Günther, 1880
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
180–290 m
Climate
Temperate
Resilience
Medium
Vulnerability
32.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Kai Island deepwater dragonet (Bathycallionymus kaianus) is a ray-finned fish of the family Callionymidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 16 cm. It occurs at depths between 180 and 290 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Bathycallionymus kaianus
Authority
Günther, 1880
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
16 cm
Depth Range
180–290 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
32.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 9 - 10; Anal spines: 0; Anal soft rays: 9. First dorsal fin elongate and filamentous. Tip of the anterior branch of last dorsal ray branched. Third membrane of the 1st dorsal fin with lunate blotch. Anal fin pale in male, faintly dusky at lower margin in the female.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Kai Island deepwater dragonet 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; demersal; depth range 180 - 290 m . Temperate West Pacific: Zanzibar (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L2.82 (TL)
Max TL
16cm
Dorsal Spines
4
Dorsal Rays
10
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Günther, 1880

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Callionymus kaianus Günther 1880 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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