Physical Description

Morphology

Sexual Dimorphism

Males often larger than females because females grow more slowly after maturity, but the reverse also occurs; dwarf males common in parasitic isopods (Bopyrus) and some species (e.g. Jaera) have both small and large males; male appendages often specialized for detecting pheromones, sexual signals, sperm transport or grasping females. Female appendages often modified for holding eggs. Color differences are common in crabs, shrimp and stomatopods.
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Source: Fairbairn, 2013

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 68435
Specimens with Sequences: 53596
Specimens with Barcodes: 46854
Species: 5484
Species With Barcodes: 4524
Public Records: 45456
Public Species: 3090
Public BINs: 6442
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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