A demersal, rocky reef and shallow-water species, cryptically colored and secretive. Sedentary during the day, hiding in crevices or lying among seaweed, and rely on their effective camouflage to escape detection (sometimes lying and partly covering itself with sand). Nocturnal predators feeding mainly on benthic crustaceans.
Dorsal spines (total): 11; Dorsal soft rays (total): 18 - 20; Anal spines: 3; Anal soft rays: 9. Distinguished by the following characteristics: Dorsal fin with 11 spines and 18-20 rays: anal fin with 2 spines and 9 rays: pectoral fins with 17-19 rays; caudal fin rounded; smooth scales; lateral line scales 54-62; lateral line scale series 67-75; depth of body distinctly less than HL, depth contained 2.7-3.1 times in SL; caudal peduncle depth 11-12% SL; eye diameter slightly greater than snout length, 4.3-4.7 times HL; rounded preopercle, rear edge distinctly serrate with a large spine (usually hidden by skin) directed downward and forward at the angle; gill rakers 6-8 on upper limb, 14-16 on lower limb .: fusiform / normal.
🌀 Behaviour
Behavioural data for Rivulated mutton hamlet is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External
🌍 Habitat & Distribution
Marine; demersal; non-migratory; depth range ? - 30 m . Tropical; 32°N - 5°N, 115°W - 76°W
Mexico
🌿 Ecology
Zone Preferences
🌊 Marine⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.5±0.5
🌙 Nocturnal
📐 Morphometrics
Length–Weight Relationship:
W = 0.01122 × L3.04
(TL)
Max TL
30cm
Dorsal Spines
11
Dorsal Rays
19
Anal Spines
3
Anal Rays
9
🌡️ Water Parameters & Tolerance
Salinity Range
30–40ppt
🛡️ Conservation Assessment
IUCN Category
Least Concern
Assessment Date
2016
📊 Population Risk & Fisheries
Population Resilience
High
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Günther, 1867
🌐 Names & Taxonomy
Language
Common Names
🇬🇧English
Pacific Guaseta · Rock Bass · Sea Bass · rivulated mutton hamlet
🌍CES
kanic skvrnkovaný
🇫🇷French
Varech Veine · Vareche Veine
🇮🇹Italian
Cernia di roccia rigata
🇵🇹Portuguese
Garoupa-marmoreada-costeira
🇪🇸Spanish
Cabrilla · Cherne · Colorado · Companero De Mero · Guaseta Rayado · Guato · Mero · guaseta rayada
🇨🇳Chinese
密斑鴛鴦鮨
Scientific Synonyms
Scientific Name
Author
Year
Status
Epinephelus multiguttatus
Günther
1867
Synonym
Plectropoma multiguttatum
Günther
1867
Synonym
📚 Scientific References
13
publications cited
General
Froese, R. and Pauly, D. (Editors)
(2024).
FishBase.
World Wide Web electronic publication.
FishBase Consortium.
Link
↗
Conservation
IUCN
(2024).
The IUCN Red List of Threatened Species.
Version 2024-1.
International Union for Conservation of Nature.
Link
↗
Taxonomy
GBIF Secretariat
(2024).
GBIF Backbone Taxonomy.
Checklist dataset.
Global Biodiversity Information Facility.
DOI ↗
Nutrition
USDA Agricultural Research Service
(2024).
FoodData Central.
USDA National Nutrient Database.
United States Department of Agriculture.
Link
↗
Fishery
NOAA Fisheries
(2024).
FishWatch: U.S. Seafood Facts.
National Oceanic and Atmospheric Administration.
Link
↗
Monterey Bay Aquarium
(2024).
Seafood Watch Recommendations.
Monterey Bay Aquarium Foundation.
Link
↗
Aquaculture
FAO Fisheries and Aquaculture Department
(2024).
The State of World Fisheries and Aquaculture.
Food and Agriculture Organization of the United Nations.
Link
↗
Distribution
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
Nelson, J.S., Grande, T.C., Wilson, M.V.H.
(2016).
Fishes of the World.
5th edition.
John Wiley & Sons.
Behavior
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
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
Halstead, B.W., Auerbach, P.S., Campbell, D.
(1988).
A Colour Atlas of Dangerous Marine Animals.
Wolfe Medical Publications.
Wolfe Medical.
Reproduction
Balon, E.K.
(1975).
Reproductive Guilds of Fishes: A Proposal and Definition.
Journal of the Fisheries Research Board of Canada, 32(6), 821-864.