Deep-webbed Cock-eyed Squid

Histioteuthis macrohista

Cephalopods
IUCN: Not evaluated

Usual depth223–1,843 m
Water temperature11–26 °C
Best monthsFebruary and March
How commonRare

About this species

Histioteuthis macrohista, known by the common names deep-webbed cock-eyed squid, plain jewel squid, plain cock-eyed squid and deep-webbed jewel squid is a species of cock-eyed squid. The species has been documented ~35 times off of the southern coast of Australia, and has also been observed in New Zealand.

Text from the Wikipedia article “Histioteuthis macrohista”, 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: 14 records
February: 19 records
March: 29 records
April: 3 records
May: 1 records
June: 1 records
July: 3 records
August: 12 records
September: 1 records
October: 3 records
November: 3 records
December: 14 records

Depth and water temperature

Depth

Mostly recorded at 223–1,843 m · Deepest record: 2,825 m

60–70 m: 1 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 1 records
100–110 m: 3 records
110–120 m: 0 records
120–130 m: 1 records
130–140 m: 0 records
140–150 m: 0 records
150–160 m: 0 records
160–170 m: 0 records
170+ m: 62 records

Water temperature

Recorded in surface water of 11–26 °C

10–12 °C: 3 records
12–14 °C: 13 records
14–16 °C: 35 records
16–18 °C: 36 records
18–20 °C: 15 records
20–22 °C: 2 records
22–24 °C: 0 records
24–26 °C: 1 records

Names and classification

English: Deep-webbed Cock-eyed Squid, Deep-webbed Jewel Squid, Plain Cock-eyed Squid, Plain Jewel Squid

Names in 1 more languages

Japanese: マントクラゲイカ

Similar species

Jewel squid
Histioteuthis reversa
Bonnelli's jewel squid
Histioteuthis bonnellii
Histioteuthis atlantica
Histioteuthis eltaninae
Jewell squid
Histioteuthis meleagroteuthis
Common Cock-eyed Squid
Histioteuthis miranda

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).
162 open-data records from 1964 to 2024.
Species data updated November 3, 2026.

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