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💧 Freshwater Least Concern 🌡️ Subtropical

Pacific sleeper

Gobiomorus maculatus Günther, 1859
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabit rivers, creeks and lakes from the brackish swamps to sea level to 115 m elevation. Young are very abundant near the coast, suggesting reproduction in marine or brackish waters. Eats crustaceans and fish .

Scientific Name
Gobiomorus maculatus
Authority
Günther, 1859
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
27 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
43.00/100
Water Temp
24–33 °C

🔬 Taxonomy

🐟 Physical Description

Physical description for Pacific sleeper is currently being compiled.

🌀 Behaviour

Behavioural data for Pacific sleeper is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; demersal. Subtropical; 24°C - 33°C North to South America: Pacific drainage between the Río Yaqui, Mexico to Peru.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.1 (TL)
Max TL
27cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–33°C

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Climate Zone
Subtropical
Described By
Günther, 1859

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Pacific sleeper · Sleeper
🇵🇹Portuguese Guavina-mexicana
🇪🇸Spanish Cawa · dormilón manchado · Guavina · Guavina del Pacífico

Scientific Synonyms

Scientific Name Author Year Status
Eleotris lembus Günther 1861 Synonym
Gobiomorus lateralis Gill 1860 Synonym
Lembus maculatus Günther 1859 Synonym
Philypnus lateralis Gill 1860 Synonym

📚 Scientific References

13 publications cited

General
  1. Froese, R. and Pauly, D. (Editors) (2024). FishBase. World Wide Web electronic publication. FishBase Consortium. Link ↗
Conservation
  1. IUCN (2024). The IUCN Red List of Threatened Species. Version 2024-1. International Union for Conservation of Nature. Link ↗
Taxonomy
  1. GBIF Secretariat (2024). GBIF Backbone Taxonomy. Checklist dataset. Global Biodiversity Information Facility. DOI ↗
Nutrition
  1. USDA Agricultural Research Service (2024). FoodData Central. USDA National Nutrient Database. United States Department of Agriculture. Link ↗
Fishery
  1. NOAA Fisheries (2024). FishWatch: U.S. Seafood Facts. National Oceanic and Atmospheric Administration. Link ↗
  2. Monterey Bay Aquarium (2024). Seafood Watch Recommendations. Monterey Bay Aquarium Foundation. Link ↗
Aquaculture
  1. FAO Fisheries and Aquaculture Department (2024). The State of World Fisheries and Aquaculture. Food and Agriculture Organization of the United Nations. Link ↗
Distribution
  1. Kaschner, K., Kesner-Reyes, K., Garilao, C., Segschneider, J., Rius-Barile, J., Rees, T., Froese, R. (2024). AquaMaps: Predicted range maps for aquatic species. AquaMaps. Link ↗
Ecology
  1. Nelson, J.S., Grande, T.C., Wilson, M.V.H. (2016). Fishes of the World. 5th edition. John Wiley & Sons.
Behavior
  1. Helfman, G.S., Collette, B.B., Facey, D.E., Bowen, B.W. (2009). The Diversity of Fishes: Biology, Evolution, and Ecology. 2nd edition. Wiley-Blackwell.
Morphology
  1. Froese, R. (2006). Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations. Journal of Applied Ichthyology, 22(4), 241-253. DOI ↗
Toxicology
  1. Halstead, B.W., Auerbach, P.S., Campbell, D. (1988). A Colour Atlas of Dangerous Marine Animals. Wolfe Medical Publications. Wolfe Medical.
Reproduction
  1. Balon, E.K. (1975). Reproductive Guilds of Fishes: A Proposal and Definition. Journal of the Fisheries Research Board of Canada, 32(6), 821-864.

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 41 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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