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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Rineloricaria Isaaci

Rineloricaria isaaci Rodriguez & Miquelarena, 2008
Max Length
10.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Rineloricaria Isaaci (Rineloricaria isaaci), first described by Rodriguez & Miquelarena, 2008 is a small fish in the family Loricariidae (order Siluriformes). Adults typically reach 10.20 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 Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Loricariidae kept in the hobby.

Scientific Name
Rineloricaria isaaci
Authority
Rodriguez & Miquelarena, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
10.2 cm
Trophic Level
2.6
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following characters: possess a long, naked area along the lateral part of the snout, extending posteriorly beyond the anteriormost pore of the infraorbital canal (vs. a very small, round, naked area, or a naked area that does not reach the anteriormost pore of the infraorbital or reaches just to it); nuptial males have a greatly lengthened pectoral and pelvic fins, the pectoral fins extend posterior to pelvic-fin origin and pelvic fins extending posterior to anal-fin origin (vs. pectorals not extending posterior to pelvic-fin origin and pelvic fins not extending posterior to anal-fin origin: strongly depressed head and body; trunk and caudal peduncle ventrally flattened and becoming more compressed caudally; dorsal surface of body slightly convex or straight at snout level, slightly convex at eye level, straight to dorsal fin, and straight from dorsal fin to penultimate plate of caudal peduncle; upper edge of orbit is moderately raised; well-developed triangular postorbital notch; head profile triangular with snout rounded in dorsal view, with straight sides in females and convex in mature males; presence of 1 pair of rostral plates and 4 paired postrostral plates; small odontodes, densely arranged in lines covering head, trunk and fin rays, making fish somewhat hispid; tip of snout with elongate area of naked skin and this naked area surpasses anteriormost pore of infraorbital ramus of sensory canal, reaching approximately to median of third postrostral plate; the naked area extending only over rostral and postrostral plates without odontodes, not exposing anterior region of mesethmoid forming rostral border; colouration ground colour brown with orange-yellow tones, all fins bright yellow-orange with black spots arranged in bands, caudal fin with rounded black spot on its base and wide vertical bar near the outer margin of fin .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Rineloricaria Isaaci 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; 31°S - 32°S South America: Argentina, Brazil and Uruguay.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.6±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.11 (TL)
Max TL
10.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Rodriguez & Miquelarena, 2008

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