Filhollianassa filholi

Crustaceans
IUCN: Not evaluated

Usual depth0–32 m
Water temperature9–18 °C
Best monthsFebruary, June, and December
How commonRare

Photo credit: (c) Saryu Mae 前朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前朝琉 · CC BY · iNaturalist

About this species

Filhollianassa filholi is a ghost shrimp of the family Callianassidae, endemic to New Zealand, which grows up to 60 mm (2.4 in) long. It was known as Biffarius filholi until a 2019 taxonomic revision of the group. It is also known as a yabby in Australia.

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

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 13 records
February: 17 records
March: 3 records
April: 6 records
May: 10 records
June: 17 records
July: 10 records
August: 8 records
September: 13 records
October: 12 records
November: 14 records
December: 20 records

Depth and water temperature

Depth

Mostly recorded at 0–32 m · Deepest record: 145 m

0–10 m: 19 records
10–20 m: 9 records
20–30 m: 9 records
30–40 m: 3 records
40–50 m: 1 records
50–60 m: 1 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 9–18 °C

8–10 °C: 14 records
10–12 °C: 3 records
12–14 °C: 6 records
14–16 °C: 12 records
16–18 °C: 6 records

Photos

(c) Genevieve Early, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Saryu Mae 前朝琉, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Christopher Stephens, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Saryu Mae 前朝琉, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Arnim Littek, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Biffarius filholi, Callianassa (Trypaea) Filholi, Callianassa Filholi, Trypaea filholi

Similar species

Ceramic Ghost Shrimp
Filhollianassa ceramica
Sandy Ghost Shrimp
Arenallianassa arenosa
Arenallianassa katrinae
Muddy Ghost Shrimp
Biffarius limosus
Callianassidae incertae sedis plantei
Coriollianassa sibogae

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).
49 open-data records from 1951 to 2025.
Species data updated November 2, 2026.

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