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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Senckenberg rainbowfish

Melanotaenia senckenbergiana Weber, 1911
Max Length
6.4 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits creeks and small rivers flowing through primary rainforest and second growth forest and gardens, as well as tree-lined creeks in relatively open savannah. Syntopic with either Melanotaenia albimarginata, M. aruensis, or M. patoti as well as other fishes such as Craterocephalus, Mogurnda, Glossamia, and Glossogobius .

Scientific Name
Melanotaenia senckenbergiana
Authority
Weber, 1911
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
6.4 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
32.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 11 - 15; Anal spines: 1; Anal soft rays: 20 - 23. Melanotaenia senckenbergianus is distinguished by the following combination of characters: IV-VI-I,11-15 (usually VVI- I,12-13) dorsal-fin rays; I,20-23 (rarely 23) anal-fin rays; 13-15 (usually 14) pectoral-fin rays; 34-36 scales on lateral line; 16-19 (rarely 19) predorsal scales; 15-24 (average 19.6) cheek scales; 17-18 total gill rakers on first arch; greatest body depth of adult male 35.9 % SL; color in life generally greenish brown dorsally, grading to silvery white to pale yellow ventrally with midlateral, dark blue stripe, 1-2 scale rows wide, extending from rear margin of eye to caudalfin base, usually faint or interrupted on middle of side; operculum with prominent red spot, smaller than pupil .: fusiform / normal.

🌀 Behaviour

Behavioural data for Senckenberg rainbowfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
6.4cm
Dorsal Spines
5
Dorsal Rays
13
Anal Spines
1
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Weber, 1911

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