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💧 Freshwater Least Concern 🌡️ Tropical

Ancistomus Spilomma

Ancistomus spilomma Cardoso & Lucinda, 2003
Max Length
14.2 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Ancistomus Spilomma (Ancistomus spilomma) is a ray-finned fish. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 14.2 cm. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Ancistomus spilomma
Authority
Cardoso & Lucinda, 2003
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
14.2 cm
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Ancistomus
Ancistomus
Species
Ancistomus Spilomma
Ancistomus spilomma

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 4. Elongate odontode on cheek 40-60. No dark spots on the ventral surface of head and body. Fins and lateral and dorsal plates of head and body with numerous dark dots. First anal-fin pterygiophore greatly expanded and exposed. Eyes large, dorsoventrally placed. Lips well-developed, occupying most of ventral surface; lower lip mostly covered with papillae, except for a smooth band near border of lips. Caudal fin I, 14, I; slightly concave, upper lobe shorter than lower lobe .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Ancistomus Spilomma is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.01549 × L2.96 (TL)
Max TL
14.2cm
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
33.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Cardoso & Lucinda, 2003

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