Elongate fangjaw

Sigmops elongatus

Fish
IUCN: Not evaluated

Usual depth125–1,472 m
Water temperature9–29 °C
Best monthsJune, September, and October
How commonOccasional

All species

About this species

Sigmops is a genus of bristlemouths.

Text from the Wikipedia article “Sigmops”, 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: 34 records
February: 114 records
March: 80 records
April: 114 records
May: 108 records
June: 156 records
July: 105 records
August: 122 records
September: 163 records
October: 188 records
November: 94 records
December: 67 records

Depth and water temperature

Depth

Mostly recorded at 125–1,472 m · Deepest record: 4,525.5 m

0–10 m: 40 records
10–20 m: 2 records
20–30 m: 2 records
30–40 m: 1 records
40–50 m: 3 records
50–60 m: 7 records
60–70 m: 8 records
70–80 m: 4 records
80–90 m: 3 records
90–100 m: 2 records
100–110 m: 23 records
110+ m: 1,061 records

Water temperature

Recorded in surface water of 9–29 °C

8–10 °C: 4 records
10–12 °C: 62 records
12–14 °C: 23 records
14–16 °C: 27 records
16–18 °C: 29 records
18–20 °C: 34 records
20–22 °C: 27 records
22–24 °C: 25 records
24–26 °C: 57 records
26–28 °C: 40 records
28–30 °C: 15 records

Names and classification

English: Elongate fangjaw, Elongated bristlemouth fish, Elongated bristlemouth, elongated bristlemouth fish, longtooth anglemouth, Long-tooth anglemouth

Names in 2 more languages

French: Gonostome a grandes dents, Gonostome à grandes dents
Japanese: Oyokoeso, オオヨコエソ

Other scientific names: Cyclothone elongata, Cyclothone rhodadenia, Gonostoma elongatum, Gonostoma elongatus, Gonostoma polyphos, Gonostoma rhodadenia, Neostoma elongatum, Sigmops elongatum, Sigmops stigmaticus

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).
3,024 open-data records from 1878 to 2025.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist