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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Micralestes Sardina

Micralestes sardina Boulenger, 1899
Max Length
10.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Affinities: M. humilis is most similar and possibly conspecific with M. stormsi Boulenger, 1902, and M. sardina Poll, 1938; apart from coloration, it is distinguished from latter two species on the basis of slight differences in overlapping features (see Ref. 80290).

Scientific Name
Micralestes sardina
Authority
Boulenger, 1899
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
10.6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
11.00/100
Water Temp
23–27 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 10; Anal spines: 0; Anal soft rays: 17 - 22. Diagnosis: lateral line always complete, 24-27 or 27-30 lateral line scales. Anal fin with 3 unbranched and 15-18 or 14-19 branched rays. 10-15 or 10-14 gill rakers on lower part of first branchial arch. 6/8 premaxillary teeth; fins colorless or, at most, pinkish; tip of dorsal fin hyaline , no black apical tip . Scales of flank with melanophores concentrated on basal margin . : fusiform / normal.

🌀 Behaviour

Behavioural data for Micralestes Sardina is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 6.5 - 7.5; dH range: 10 - 25. Tropical; 23°C - 27°C distributed in the Congo basin; elsewhere, known from Lower Guinea (Cross, Ntem, and Ogowe rivers), the Niger, and Zambezi rivers and lakes Chad, Mweru, and Tanganyika (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
10.6cm
Dorsal Rays
10
Anal Rays
20

🌡️ Water Parameters & Tolerance

Temperature Range
23–27°C
pH Range
6.5–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Boulenger, 1899

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 53 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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