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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Fingered dragonet

Dactylopus dactylopus Valenciennes, 1837
Dactylopus Dactylopus (Dactylopus dactylopus)
Dactylopus Dactylopus (Dactylopus dactylopus)
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1–55 m
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Lives on sand-weed bottoms . Inhabits protected sand and mud flats and slopes at depths of 1 to 55 m ; also include estuaries and deep water . May be seen solitary or in pairs .

Scientific Name
Dactylopus dactylopus
Authority
Valenciennes, 1837
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
30 cm
Depth Range
1–55 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. Identified by the finger-like separate first rays of the ventral fins, and distinguished from the similar D. kuiteri in usually having 8 divided rays in the second dorsal fin (versus 9), the fin with a distinct horizontal pattern of lines in adults, and males have long filaments on the first dorsal fin (versus short or absent) . Body moderately depressed. Preopercular spine with processes on both inner and outer sides. Pelvic spine and 1st pelvic ray fused into an elongate rod, separated from the other pelvic rays. Attains 10 cm SL.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Fingered 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; reef-associated; depth range 1 - 55 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L2.82 (TL)
Max TL
30cm
Dorsal Spines
4
Dorsal Rays
8
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Valenciennes, 1837

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Callionymus dactylopus Valenciennes 1837 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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