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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Temperate

Barbless Disc-barb

Placocheilus cryptonemus Cui & Li, 1984
Max Length
11.6 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
22.00/100
Typical Length
10 cm
Depth Zone
-

📖 Overview

Barbless Disc-barb (Placocheilus cryptonemus), first described by Cui & Li, 1984 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 11.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. 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 Cyprinidae kept in the hobby.

Scientific Name
Placocheilus cryptonemus
Authority
Cui & Li, 1984
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
11.6 cm
Resilience
High
Vulnerability
22.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10 - 11; Anal soft rays: 7 - 8. Can be distinguished from its congeners by having no barbel, 45-47 lateral line scales, no semicircular black mark on middle of each caudal lobe, no blackish band across dorsal fin, a shallow groove between anterior edge and central callous pad of mental adhesive disc, a mental adhesive disc reaching beyond vertical of posterior margin of eye, predorsal scales smaller than flank scales and embedded in skin, a larger scaleless midventral region extended as far as to reach anus, and a slender caudal peduncle (depth 46.4-56.1% of its length) .: elongated.

🌀 Behaviour

Behavioural data for Barbless Disc-barb 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. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.05 (TL)
Max TL
11.6cm
Dorsal Rays
11
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Temperate
Described By
Cui & Li, 1984

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Barbless Disc-barb
🇨🇳Chinese 缺须盆唇鱼 · 缺鬚盆唇魚

Scientific Synonyms

Scientific Name Author Year Status
Garra cryptonemus Cui & Li 1984 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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