Hawknose grenadier

Coelorinchus oliverianus

Fish
IUCN: Not evaluated

Usual depth434–777 m
Water temperature8–19 °C
Best monthsJune
How commonOccasional

Photo credit: (c) ISBN, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

The hawknose grenadier, also known as Oliver's rattail, is a species of rattail endemic to New Zealand. It is widespread around the whole country, including the Chatham Rise, Challenger Plateau, and Campbell Pleateau, and has been collected from depths of 400-800 m.

Text from the Wikipedia article “Hawknose grenadier”, 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: 0 records
February: 1 records
March: 3 records
April: 2 records
May: 1 records
June: 6 records
July: 0 records
August: 0 records
September: 1 records
October: 0 records
November: 1 records
December: 0 records

Depth and water temperature

Depth

Mostly recorded at 434–777 m · Deepest record: 3,821.5 m

10–20 m: 2 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 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
110–120 m: 0 records
120+ m: 4,644 records

Water temperature

Recorded in surface water of 8–19 °C

6–8 °C: 20 records
8–10 °C: 230 records
10–12 °C: 126 records
12–14 °C: 366 records
14–16 °C: 195 records
16–18 °C: 58 records
18–20 °C: 4 records

Names and classification

English: Hawknose grenadier, Oliver's rattail

Other scientific names: Caelorinchus oliverianus, Coelorhynchus oliverianus

Similar species

Bollons' rattail
Coelorinchus bollonsi
Banded Whip-tail
Coelorinchus fasciatus
Innotable Whiptail
Coelorinchus innotabilis
Gargoyle Fish
Coelorinchus mirus
Spottyface Whiptail
Coelorinchus acanthiger
Oblique banded rattail
Coelorinchus aspercephalus

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).
4,689 open-data records from 1874 to 2018.
Species data updated November 1, 2026.

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