Boulenger's Snaggletooth

Astronesthes boulengeri

Fish
IUCN: Least concern

Usual depth41–1,250 m
Water temperature7–27 °C
Best monthsJune and December
How commonRare

About this species

Snaggletooths or stareaters are any of a number of small, deep-sea stomiid fish in the genus Astronesthes. They possess a bioluminescent red chin barbel that the fish use as a lure to attract small prey into striking distance.

Text from the Wikipedia article “Stareater (fish)”, 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: 5 records
February: 2 records
March: 7 records
April: 7 records
May: 2 records
June: 14 records
July: 2 records
August: 1 records
September: 5 records
October: 5 records
November: 8 records
December: 9 records

Depth and water temperature

Depth

Mostly recorded at 41–1,250 m · Deepest record: 4,914 m

0–10 m: 3 records
10–20 m: 0 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 2 records
50–60 m: 2 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 2 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 37 records

Water temperature

Recorded in surface water of 7–27 °C

6–8 °C: 6 records
8–10 °C: 0 records
10–12 °C: 0 records
12–14 °C: 5 records
14–16 °C: 10 records
16–18 °C: 20 records
18–20 °C: 9 records
20–22 °C: 15 records
22–24 °C: 5 records
24–26 °C: 0 records
26–28 °C: 2 records

Names and classification

English: Boulenger's Snaggletooth, Boulenger’s Snaggletooth, Boulengers Snaggletooth, Whitepatch Stareater

Similar species

Twinlobe Snaggletooth
Astronesthes bilobata
Astronesthes caulophorus
Astronesthes chrysophekadion
Blue Snaggletooth
Astronesthes cyaneus
Astronesthes formosanus
Snaggletooth
Astronesthes gemmifer

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).
139 open-data records from 1925 to 2015.

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