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Palaemonetes varians   (Leach, 1814)

Atlantic ditch shrimp
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Palaemonetes varians

Portugal country information

Common names: [No common name]
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments:
National Checklist: Portugal
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Neves, A.M., 1970
National Database:

Common names from other countries

Palaemonid shrimp, ... more

Classification / Names / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

Malacostraca > Decapoda (Lobster, shrimp and crabs) > Palaemonidae (palaemonid shrimps)

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; brackish.   Temperate; 60°N - 32°N, 11°W - 20°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northeast Atlantic and the Mediterranean: From north-west Europe and western Mediterranean and on the Atlantic coast of Morocco.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 3.7 cm TL male/unsexed; (Ref. 2793); 5.2 cm TL (female)

Biology     Glossary (e.g. epibenthic)

Body almost colorless and translucent. Body of females sometimes with greenish chromatophores (Ref. 2793). Occurs in brackish water lakes and shallow coastal lagoons with salinity from 0.9 to 25.3 (Ref. 2745). Prefers stagnant and slow-running waters, irrigation channels and salt marshes (Ref. 2792). Associated with Palaemon elegans and/or Palaemon adspersus (Ref. 2745). Detritivores; with a varied diet characterized by scavenging and opportunistic feeding behavior (Ref. 2838).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Exhibits moulting before breeding during spring at temperatures between 9 to 10°C (Ref. 2804). Females produce about 150 eggs (Ref. 2748).

Main reference References | Coordinator | Collaborators

Dolmen, D., J. Hindley and E. Kleiven. 2004. (Ref. 2745)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses

Fisheries: commercial
FAO - Aquaculture: production; | FishSource | Sea Around Us

Tools

E-book | Field guide

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
Collaborators
Pictures

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(; publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Very high.