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💧 Freshwater Vulnerable 🌡️ Tropical

Dungu sprat

Microthrissa minuta Poll, 1974
Max Length
4.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Overview information for Dungu sprat is currently being compiled by our editorial team.

Scientific Name
Microthrissa minuta
Authority
Poll, 1974
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
4.3 cm
Latitude
7°S – 3°N
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 18 - 21; Vertebrae: 40 - 44. Diagnosis: Body moderately deep, its depth about 22-30% of standard length; scutes strongly keeled, 1 or 2 before base of first pectoral fin ray, 11-12 pre-pelvic and 6-8 post-pelvic scutes; snout pointed; lower jaw not or slightly projecting, included in upper when mouth closed, with small teeth limited to anterior part; pre-maxilla with 12-30 small conical teeth directed inwards; maxilla blade slender, more than 3 times as long as deep, upper edge with a ridge flared outward; posterior supra-maxilla small, spatulate, shaft as long as blade; lower gillrakers 18-22 . Also characterized by 37-43 scales in a longitudinal series and anal fin with 18-21 rays . It resembles Microthrissa royauxi, which has fewer gillrakers but more anal fin rays, 14-17 and 23-27 respectively . It is distinguished from Microthrissa whiteheadi by a lower number of teeth on the pre-maxilla, 12-30 vs. 32-40 in M. whiteheadi; and additionally by a higher number of lower gillrakers, 18-22 vs. 14-18, a lower number of anal fin rays, 18-21 vs. 20-25, and a lower number of pre-pelvic scutes, 11-12 vs. 13-16 . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Dungu sprat is currently being reviewed.

🦐 Diet

Diet information for Dungu sprat is currently being compiled.

🥚 Reproduction

Reproduction data for Dungu sprat is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 3°N - 7°S

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
4.3cm
Dorsal Rays
14
Anal Rays
20
Vertebrae
42

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
3°N – 7°S
Described By
Poll, 1974

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dungu sprat
🇩🇰Danish Dungu-brisling
🇷🇺Russian Заирская микротрисса

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 11 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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