Ridge scaled rattail

Macrourus carinatus

Fish
IUCN: Not evaluated

Usual depth378–937 m
Water temperature4–16 °C
Best monthsFebruary, July, and November
How commonCommon

About this species

The ridge scaled rattail or ridge-scaled grenadier, Macrourus carinatus, is a species of deep-water fish in the family Macrouridae. It has southern circumglobal distribution in temperate to subantarctic waters (34°S–65°S) and is found in the Southern Atlantic, Indian and Pacific Oceans and in the Southern Ocean at depths of about 200–1,200 m (660–3,940 ft).

Text from the Wikipedia article “Ridge scaled rattail”, 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: 126 records
February: 3,592 records
March: 2,604 records
April: 361 records
May: 1,519 records
June: 3,170 records
July: 4,720 records
August: 1,298 records
September: 1,848 records
October: 2,829 records
November: 5,420 records
December: 859 records

Depth and water temperature

Depth

Mostly recorded at 378–937 m · Deepest record: 1,852 m

90–100 m: 3 records
100–110 m: 1 records
110–120 m: 1 records
120–130 m: 0 records
130–140 m: 36 records
140–150 m: 7 records
150–160 m: 3 records
160–170 m: 5 records
170–180 m: 6 records
180–190 m: 14 records
190–200 m: 7 records
200+ m: 26,719 records

Water temperature

Recorded in surface water of 4–16 °C

2–4 °C: 1 records
4–6 °C: 67 records
6–8 °C: 836 records
8–10 °C: 39 records
10–12 °C: 30 records
12–14 °C: 14 records
14–16 °C: 12 records
16–18 °C: 1 records

Names and classification

English: Ridge scaled rattail, Bigeye grenadier, Ridge scaled rattail, ridge scaled rattail, Ridgescale Whiptail

Names in 1 more languages

French: Grenadier gros yeux

Other scientific names: Coryphaenoides carinatus, Macrurus carinatus

Similar species

Bollons' rattail
Coelorinchus bollonsi
Banded Whip-tail
Coelorinchus fasciatus
Innotable Whiptail
Coelorinchus innotabilis
Serrulate Rattail
Coryphaenoides serrulatus
Four-rayed Rattail
Coryphaenoides subserrulatus
deepsea whiptail
Lepidorhynchus denticulatus

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).
29,972 open-data records from 1974 to 2023.
Species data updated November 4, 2026.

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