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💧 Freshwater Least Concern 🌡️ Tropical

Ancistomus Spinosissimus

Ancistomus spinosissimus Cardoso & Lucinda, 2003
Max Length
12.7 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Ancistomus Spinosissimus (Ancistomus spinosissimus) is a ray-finned fish. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 12.7 cm. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Ancistomus spinosissimus
Authority
Cardoso & Lucinda, 2003
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
12.7 cm
Resilience
Medium
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Ancistomus
Ancistomus
Species
Ancistomus Spinosissimus
Ancistomus spinosissimus

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 4. Number of elongate odontodes on cheek 30-60; absence of dark spots on the ventral surface of head and body; fins and lateral and dorsal plates of head and body with numerous dark dots; dorsal-fin rays I, 7; premaxillary teeth 17-29; absence of small dark spots on upper region of eye; first anal-fin pterygiophore barely exposed, sometimes covered by skin; long and curled odontodes of adult males confined to the upper caudal peduncle region; interorbital width 30.3-35.0% HL .: elongated.

🌀 Behaviour

Behavioural data for Ancistomus Spinosissimus is currently being reviewed.

🦐 Diet

Diet information for Ancistomus Spinosissimus is currently being compiled.

🥚 Reproduction

Reproduction data for Ancistomus Spinosissimus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: middle and upper rio Tocantins and its tributaries.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.01549 × L2.96 (TL)
Max TL
12.7cm
Dorsal Spines
1
Dorsal Rays
7
Anal Spines
1
Anal Rays
4

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Cardoso & Lucinda, 2003

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