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💧 Freshwater Data Deficient 🌡️ Tropical

Spinipterus Acsi

Spinipterus acsi Akama & Ferraris, 2011
Max Length
3.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Spinipterus Acsi (Spinipterus acsi), first described by Akama & Ferraris, 2011 is a tiny fish. Adults typically reach 3.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Spinipterus acsi
Authority
Akama & Ferraris, 2011
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.2 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Spinipterus
Spinipterus
Species
Spinipterus Acsi
Spinipterus acsi

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 5. The genus being monotypic, its species diagnosis is that of the genus. A genus of the auchenipterid subfamily Auchenipterinae that is distinguished from all other auchenipterid genera by the following combination of derived features: pectoral- and dorsal-fin spines with four rows of serrations running from base to the tip of the spines; (2) lateral margins of skull roofing bones ornamented with a single row of spines; (3) groove along dorsal midline posterior to dorsal fin, in which the adducted dorsal fin rests. Also the new genus has a unique combination of fin-ray meristics that are summarized as follows: D- II,4-5; P- I,5-6; V- i,5 (i,4 on opposite side); A- iv,16; C- i,7,9,i .: elongated.

🌀 Behaviour

Behavioural data for Spinipterus Acsi 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 South America: Peru (known only from the type locality).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L3.03 (TL)
Max TL
3.2cm
Dorsal Spines
2
Dorsal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Akama & Ferraris, 2011

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