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💧 Freshwater Critically Endangered 🌡️ Temperate

Moapa dace

Gila coriacea Hubbs & Miller, 1948
Max Length
9 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Moapa dace (Gila coriacea) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 9 cm. With a trophic level of 2.5, it is an omnivore, consuming both plant and animal matter. It is assessed as Critically Endangered on the IUCN Red List.

Scientific Name
Gila coriacea
Authority
Hubbs & Miller, 1948
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
9 cm
Trophic Level
2.5
Resilience
High
Vulnerability
23.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 7 - 8. Moapa coriacea is distinguished by its leatherlike skin resulting from having many small embedded scales, large black spot on caudal-fin base, fairly slender body, dorsal fin origin over or slightly behind pelvic origin, long rounded snout, slightly subterminal mouth, complete or incomplete lateral line with 69-79 scales, 8 anal rays (often 7), pharyngeal teeth 0,5-4,0. Color consists of olive above, broad dusky stripe along back, cream spot at dorsal fin origin, green-brown blotches along upper side, turquoise stripe above dark gold-brown stripe alongside (faint at front) Ref. 86798).: fusiform / normal.

🌀 Behaviour

Behavioural data for Moapa dace 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; potamodromous . Temperate; 38°N - 37°N North America: endemic to warm springs of Muddy (Moapa) River in southeastern Nevada, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2.5±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.03 (TL)
Max TL
9cm
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Hubbs & Miller, 1948

🦠 Common Diseases

The following diseases are known to affect Moapa dace.

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