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💧 Freshwater Vulnerable 🌡️ Temperate

Spintherobolus Ankoseion

Spintherobolus ankoseion Weitzman & Malabarba, 1999
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Temperate
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Spintherobolus Ankoseion (Spintherobolus ankoseion), first described by Weitzman & Malabarba, 1999 is a tiny fish. Adults typically reach 2.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Vulnerable.

Scientific Name
Spintherobolus ankoseion
Authority
Weitzman & Malabarba, 1999
Habitat
Freshwater
Climate
Temperate
IUCN Status
VU
Max Length
2.8 cm
Trophic Level
3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Spintherobolus
Spintherobolus
Species
Spintherobolus Ankoseion
Spintherobolus ankoseion

🐟 Physical Description

Dorsal soft rays (total): 10 - 11; Anal soft rays: 14 - 17; Vertebrae: 32 - 33. Low vertebral count (32-33) versus 32-34 for S. broccae and S. leptoura; larger preanal distance in males (61.3-63.9% SL versus 55.9-61.5 for S. broccae and 57.3-61.9 for S. leptoura.

🌀 Behaviour

Behavioural data for Spintherobolus Ankoseion 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. Temperate South America: Atlantic versant rivers from northern Santa Catarina to southern Paraná, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
2.8cm
Dorsal Rays
11
Anal Rays
16
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Temperate
Described By
Weitzman & Malabarba, 1999

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