Body shape
Elongated body with a long, narrow muscular tail (abdomen).
Shrimp
Shrimp are elongated, primarily swimming crustaceans found in marine and freshwater habitats that play important roles in food webs and are widely fished and farmed.
Last Updated Mar 9, 2026 · 2 sources
Species Guide
What to know about shrimp
A clean field guide focused on habitat, identification, behavior, and conservation context without burying the useful parts.
Shrimp is a common name for a range of crustaceans—typically decapods in Caridea or Dendrobranchiata—characterized by an elongated body, long antennae, and a long, narrow muscular tail (abdomen). Many definitions overlap with the term prawn. Shrimp swim forward by paddling the swimmerets beneath their abdomens; their escape response often involves repeated tail-flicks that rapidly drive them backward. They have slender, biramous legs and relatively thin, fragile walking legs used mainly for perching. Shrimp occur in both freshwater and marine habitats, inhabiting coasts, estuaries, rivers, lakes, and seafloor-associated zones. They feed near the seafloor, are an important food source for larger animals (from fish to whales), and typically live one to seven years. Shrimp are often solitary but may form large schools during spawning. Many species are commercially caught and farmed for human consumption.
Commercial overfishing and bycatch, plus pollution and habitat impacts from shrimp farming, are significant concerns for shrimp and their environments.
Typically swim forward by paddling swimmerets; escape response consists of repeated tail-flicks that drive them backward. Some species flip off the seafloor and dive into sediment to evade predators. Many are solitary but may school during spawning.
Identification
How to identify shrimp
The visual markers divers can use underwater, plus the species most likely to cause confusion.
Key identification markers
Appendages
Long whisker-like antennae and slender, biramous legs with thin, fragile walking legs used mainly for perching.
Locomotion
Swim by paddling swimmerets beneath the abdomen; escape by repeated tail-flicks that propel them backward.
Common lookalikes
Prawn
Under broader usage, prawns and shrimp may be considered synonymous, both referring to stalk-eyed, swimming crustaceans with long tails and antennae.
Range and Movement
How shrimp move through the world
The broad range, seasonal movement, or migratory behavior that shapes where divers encounter this species.
Typically swim forward by paddling swimmerets; escape response consists of repeated tail-flicks that drive them backward. Some species flip off the seafloor and dive into sediment to evade predators. Many are solitary but may school during spawning.
Diet
What shrimp tend to eat
Useful feeding context that often explains habitat, movement, and encounter style.
Feed near the seafloor; serve as an important food source for larger animals from fish up to whales.
Conservation
What is happening with Shrimp
Status, pressure, and protection context grounded in cited sources rather than filler.
Commercial overfishing and bycatch, plus pollution and habitat impacts from shrimp farming, are significant concerns for shrimp and their environments.
Main threats
Overfishing and bycatch
Excessive capture of wild shrimp and associated bycatch from fisheries is a significant concern.
Aquaculture impacts
Shrimp farming can lead to pollution and habitat degradation in waterways used for production.
Responsible Encounters
How to dive with shrimp
Conservation-minded guidance for divers who want the encounter without adding pressure.
Give shrimp space, avoid blocking the animal's path, and follow local site and operator rules for wildlife interactions with crustaceans.
Field Notes
Interesting things worth knowing
Useful species context that makes the encounter more meaningful once you are underwater.
Field notes
Commercial importance
Commercially important shrimp species support a multibillion-dollar industry; in 2010 total commercial production was nearly 7 million tonnes.
Aquaculture growth
Shrimp farming expanded during the 1980s, and by 2007 farm harvests exceeded capture of wild shrimp.
Lifespan and behavior
Most shrimp live between one and seven years and are often solitary but can form large schools while spawning.
FAQ
Frequently asked questions
Clear planning and conservation answers written for search visibility and AI retrieval.
Research Sources
Shrimp information sources
Primary and credible references behind the field-guide and conservation claims on this page.
Sources 2Last Updated
Related Species
More in Crustaceans
Related species guides in the same encounter family.
