Overview

Brief Summary

WhyReef - Lifestyle

Like lobsters and shrimps, the red spotted coral crab is a crustacean, which means it has a hard shell, or exoskeleton, that protects it from predators. When it grows larger, it will molt, or get rid of, its old exoskeleton. It will then grow a larger exoskeleton to fit its new size.
  • Alastair Fothergill, (2001). Blue Planet [DVD], BBC-Discovery.
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Comprehensive Description

WhyReef - Fun Facts

The red spotted coral crab may be small, but animals should think twice before messing with it! It lives on and in coral, and will defend its home, using its claws to pinch and drive away predators who want to eat it or its coral. For example, when a crown-of-thorns sea star climbs on top of its coral, it will pinch at its tube feet. The pain forces the sea star to crawl away, defeated. Since the coral provides the crab with a safe place to live, and the crab protects it from predators, they live in a close, or symbiotic, relationship that is mutualistic—good for both of them.
  • Alastair Fothergill, (2001). Blue Planet [DVD], BBC-Discovery.
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Ecology

Habitat

Depth range based on 6 specimens in 1 taxon.
Water temperature and chemistry ranges based on 6 samples.

Environmental ranges
  Depth range (m): 1.75 - 40
  Temperature range (°C): 17.194 - 28.081
  Nitrate (umol/L): 0.032 - 7.659
  Salinity (PPS): 33.456 - 36.905
  Oxygen (ml/l): 4.657 - 5.566
  Phosphate (umol/l): 0.085 - 0.389
  Silicate (umol/l): 1.133 - 2.709

Graphical representation

Depth range (m): 1.75 - 40

Temperature range (°C): 17.194 - 28.081

Nitrate (umol/L): 0.032 - 7.659

Salinity (PPS): 33.456 - 36.905

Oxygen (ml/l): 4.657 - 5.566

Phosphate (umol/l): 0.085 - 0.389

Silicate (umol/l): 1.133 - 2.709
 
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Associations

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The red spotted coral crab eats tiny sea animals called Zooplankton. Since it only eats animals, it is a carnivore.
  • Alastair Fothergill, (2001). Blue Planet [DVD], BBC-Discovery.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Trapezia tigrina

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
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Conservation

Threats

WhyReef - Threats

Reefs are in danger, and that means so is the home of the red spotted coral crab!
  • Alastair Fothergill, (2001). Blue Planet [DVD], BBC-Discovery.
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