Albino anglemouth

Cyclothone alba

Fish
IUCN: Least concern

Usual depth250–1,150 m
Water temperature5–29 °C
Best monthsSeptember
How commonOccasional

About this species

Cyclothone alba, commonly known as the bristlemouth, is a species of ray-finned fish in the genus Cyclothone. It is found across the world, in the Pacific, Indian, and Atlantic Oceans.

Text from the Wikipedia article “Cyclothone alba”, 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: 14 records
February: 11 records
March: 11 records
April: 9 records
May: 19 records
June: 34 records
July: 27 records
August: 12 records
September: 91 records
October: 9 records
November: 36 records
December: 14 records

Depth and water temperature

Depth

Mostly recorded at 250–1,150 m · Deepest record: 7,356.5 m

0–10 m: 2 records
10–20 m: 1 records
20–30 m: 0 records
30–40 m: 1 records
40–50 m: 0 records
50–60 m: 1 records
60–70 m: 0 records
70–80 m: 1 records
80–90 m: 1 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 233 records

Water temperature

Recorded in surface water of 5–29 °C

4–6 °C: 2 records
6–8 °C: 2 records
8–10 °C: 6 records
10–12 °C: 5 records
12–14 °C: 4 records
14–16 °C: 5 records
16–18 °C: 7 records
18–20 °C: 1 records
20–22 °C: 7 records
22–24 °C: 21 records
24–26 °C: 39 records
26–28 °C: 41 records
28–30 °C: 58 records

Names and classification

English: Albino anglemouth, Bristlemouth, albino anglemouth, Boca Cerdosa Blanca, Pale Bristlemouth, White Bristlemouth

Names in 2 more languages

Japanese: Yukionihadaka, ユキオニハダカ
Simplified Chinese: 光魚, 白圓罩魚

Similar species

Showy bristlemouth
Cyclothone signata
Benttooth bristlemouth
Cyclothone acclinidens
Deep-water bristlemouth
Cyclothone atraria
Spottail anglemouth
Cyclothone braueri
Veiled anglemouth
Cyclothone microdon
Bicolored bristlemouth
Cyclothone pallida

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).
876 open-data records from 1806 to 2023.
Species data updated November 1, 2026.

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