Adult Pisidia longicornis typically have a carapace length of 1 centimetre (0.4 in). Its colouration is variable, with most … See more

Pisidia longicornis is found in the north-eastern Atlantic Ocean from Norway to Angola, and throughout the Mediterranean Sea. It is found from the lower shore down to depths of 70 metres (230 ft) in the north Atlantic, bu… See more

Females bear eggs from March to August around the British Isles, and from February to September in the Mediterranean Sea. Young Pisidia longicornis go through two zoeal (larval) stages before reaching the megalopa (post … See more

Pisidia longicornis was first described in 1767 by Carl Linnaeus, originally under the name Porcellana longicornis, in the 12th edition of his Systema Naturae. The specific epithet longicornis is difficult to explain, it being … See more

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