Lyreidus tridentatus

Crustaceans
IUCN: Not evaluated

Usual depth109–313 m
Water temperature15–29 °C
Best monthsJuly and November
How commonRare

All species

About this species

Lyreidus tridentatus, commonly known as the harp crab, is a species of crab in the family Raninidae.

Text from the Wikipedia article “Lyreidus tridentatus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 17 records
February: 16 records
March: 17 records
April: 17 records
May: 23 records
June: 12 records
July: 35 records
August: 5 records
September: 1 records
October: 21 records
November: 39 records
December: 14 records

Depth and water temperature

Depth

Mostly recorded at 109–313 m · Deepest record: 618 m

10–20 m: 1 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 2 records
60–70 m: 2 records
70–80 m: 4 records
80–90 m: 2 records
90–100 m: 3 records
100–110 m: 9 records
110–120 m: 10 records
120+ m: 189 records

Water temperature

Recorded in surface water of 15–29 °C

14–16 °C: 4 records
16–18 °C: 99 records
18–20 °C: 37 records
20–22 °C: 59 records
22–24 °C: 12 records
24–26 °C: 27 records
26–28 °C: 3 records
28–30 °C: 62 records

Names and classification

Names in 1 more languages

Japanese: ビワガニ

Other scientific names: Lyreidus australiensis, Lyreidus elongatus, Lyreidus fossor

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
480 open-data records from 1898 to 2025.

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