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💧 Freshwater Least Concern 🌡️ Tropical

Curculionichthys Insperatus

Curculionichthys insperatus Britski & Garavello, 2003
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
2.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Curculionichthys Insperatus (Curculionichthys insperatus), first described by Britski & Garavello, 2003 is a tiny fish. Adults typically reach 3.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Curculionichthys insperatus
Authority
Britski & Garavello, 2003
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3 cm
Trophic Level
2.4
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Curculionichthys
Curculionichthys
Species
Curculionichthys Insperatus
Curculionichthys insperatus

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 6. Differs from all other known species of Hisonotus by the combination of a pair of rostral plates covering the tip of the snout; lateralis canal in almost every plate along length of body; lateral line uninterrupted by gaps, almost complete, with 22 perforated plates + 1 to 3 plates with no canal; a pectoral spine that is smooth and lacks odontodes along its posterior dorsal margin for a distance more than one-half of its width; and a scapular bridge that is completely exposed or with a very reduced median pair of arrector fossae .: elongated.

🌀 Behaviour

Behavioural data for Curculionichthys Insperatus 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: Upper Rio Paraná drainage in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.4±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.06 (TL)
Max TL
3cm
Dorsal Rays
8
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.4
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Britski & Garavello, 2003

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