This document summarizes information on the false trevally fish (Lactarius lactarius). It provides details on its classification, physical description, size, environment and habitat, geographic distribution, biology and life history, and human uses. Key facts mentioned include that it is a ray-finned fish found in coastal waters of the Indo-West Pacific from East Africa to Southeast Asia, it reaches 40 cm in length, and feeds on sand-dwelling animals. It is a commercially fished species.

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Lactarius lactarius (Bloch & Schneider, 1801)
False trevally Like 0
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Lactarius lactarius
Picture by Randall, J.E.
This map was computer-generated and has not yet been reviewed.
Lactarius lactarius AquaMaps Data sources: GBIF OBIS
Classification / Names
Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Lactariidae (False trevallies)
Etymology: Lactarius: Latin, concerned with milk (Ref. 45335).
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL
Main reference
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley. 1989. (Ref. 7300)
References | Coordinator | Collaborators
Size / Weight / Age
Max length : 40.0 cm TL male/unsexed; (Ref. 2872); common length : 30.0 cm TL male/unsexed; (Ref. 2872)
Length at first maturity
Lm 16.8 range ? - 19.2 cm
Environment
Marine; brackish; pelagic-neritic; depth range 15 - 100 m (Ref. 30573)
Climate / Range
Tropical; 23°N - 27°S
Distribution
Indo-West Pacific: East Africa (Ref. 2871, 5213, 30573) to Southeast Asia, north to Japan, south to Queensland, Australia.
Reported from Fiji (Ref. 12743).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 20-22; Anal spines: 3; Anal soft rays: 25 - 28. Silvery grey with blue
iridescence dorsally, silvery white ventrally; upper part of gill cover with a dusky black spot; fins pale yellow. Mouth large and
oblique.
Biology Glossary Search (e.g. epibenthic)
Found in coastal waters down to a depth of about 100 m (Ref. 30573) and between 15-90 m in western Indonesia (Ref.
12260). Feeds on sand-dwelling animals (Ref. 5213). Marketed fresh and dried salted.
IUCN Red List Status (Ref. 90363) Threat to humans
Not Evaluated Harmless
Human uses
Fisheries: commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us |
More information
Countries Common names Age/Size References Collaborators
FAO areas Synonyms Growth Aquaculture Pictures
Ecosystems Metabolism Length-weight Aquaculture profile Stamps and coins
Occurrences Predators Length-length Strains Sounds
Introductions Ecotoxicology Length-frequencies Genetics Ciguatera
Stocks Reproduction Morphometrics Allele frequencies Speed
Ecology Maturity Morphology Heritability Swim. type
Diet Spawning Larvae Diseases Gill area
Food items Fecundity Larval dynamics Processing Otoliths
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2. Food consumption Eggs Recruitment Mass conversion Brains
Ration Egg development Abundance Vision
Tools
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Special reports
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Summary page | Point data | Common names | Photos
Internet sources
BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(fisheries: ; publication :
search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies
| National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater
Fishing | Zoological Record | Fishtrace
Estimation of some characteristics with mathematical models
Phylogenetic diversity index (Ref. 82805)
PD50 = 1.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level (Ref. 69278)
4.0 s.e. 0.57 Based on food items.
Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (K=0.6)
Vulnerability (Ref. 59153) Price category (Ref. 80766)
Low vulnerability (21 of 100) Low
Entered by Luna, Susan M. Modified by Kesner-Reyes, Kathleen
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