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💧 Freshwater Endangered 🌡️ Tropical

Lanquín toothcarp

Poecilia rositae Meyer, Schneider, Radda, Wilde & Schartl, 2004
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Lanquín toothcarp (Poecilia rositae), first described by Meyer, Schneider, Radda, Wilde & Schartl, 2004 is a small fish in the family Poeciliidae (order Cyprinodontiformes). Adults typically reach 5.00 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 Endangered.

Scientific Name
Poecilia rositae
Authority
Meyer, Schneider, Radda, Wilde & Schartl, 2004
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
5 cm
Trophic Level
2.6
Resilience
High
Vulnerability
26.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 9; Vertebrae: 27 - 28. Belongs to the Poecilia (M.) mexicana subgroup of shortfin mollies, which is distinguished by the following characters: longitudinal scale series 28 (rarely 27 or 29), vs. 26 to 27 in Poecilia (M.) mechthildae; predorsal scales 13-14, vs. 12-13 in Poecilia (M.) mechthildae; caudal peduncle scales 16, vs. 18 in Poecilia (M.) mexicana; pectoral rays 15, vs. 16-17 in Poecilia (M.) mechthildae; dorsal rays 10, vs. 11 in Poecilia (M.) gracilis, 7-8 in Poecilia (M.) sulphuraria; females sometimes lack rows of black spots on body sides, vs. rows of black spots present in Poecilia (M.) sulphuraria, Poecilia (M.) mexicana, vs. weakly developed Poecilia (M.) gracilis; serrae of gonopodium ray 4p massive, vs. less massive in Poecilia (M.) mexicana, Poecilia (M.) gracilis, Poecilia (M.) mechthildae and Poecilia (M.) sulphuraria; distal spine series of gonopodium ray 3 long, vs. short in Poecilia (M.) mexicana, Poecilia (M.) mechthildae and Poecilia (M.) sulphuraria; distal membranous plate absent, vs. present in Poecilia (M.) mexicana .: fusiform / normal.

🌀 Behaviour

Behavioural data for Lanquín toothcarp is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
Internal

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical Central America: Río Cahabón system in Guatemala.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.15 (TL)
Max TL
5cm
Dorsal Rays
10
Anal Rays
9
Vertebrae
28

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Meyer, Schneider, Radda, Wilde & Schartl, 2004

🦠 Common Diseases

The following diseases are known to affect Lanquín toothcarp.

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