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Crustaceans

Flat Rock Crab

Percnon planissimum

Also known as: Flat Rock Crab, Nimble Spray Crab, Sally Lightfoot Crab, Sally Longlegs, Shore Crab, Spray Crab, True Crab

Add a photo
Adult
@Johann · india scuba explorers, India · December 20181 / 2
01

Overview

Found in crevices and holes clinging to jetties, beach rocks and walls over intertidal coral and rocky reefs.

Brachyura crabs are considered true crabs, they have a short abdomen, 4 walking legs and a pair of clawed arms at the front.
Many thousands of species live worldwide in sea water, fresh water and on land.

02

How to identify

COLOURS
Pattern
blotches
Head & Mouth
red eyes
Behaviour
shelters in crevices

Tap any trait to see other fish that share it.

03

Habitat & where to find it

  • Range · Indo-Pacific
  • Country only · 2
LIVES IN

Found in crevices and holes clinging to jetties, beach rocks and walls over intertidal coral and rocky reefs.

RANGE
04

Adult photos 2

05

Discussion

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    ALL STAGES
    FOR THE MARINE-BIOLOGY CURIOUS

    Deep dive

    Taxonomy

    1. kingdomAnimalia
    2. phylumArthropoda
    3. classMalacostraca
    4. orderDecapoda
    5. familyPercnidae
    6. genusPercnon
    7. speciesPercnon planissimum (Herbst, 1804)

    SourcesWoRMSWikipedia

    06

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