Blackcap basslet

About this species

The blackcap basslet, or blackcap gramma, is a species of fish inhabiting reefs in the tropical western Atlantic Ocean. It prefers vertical surfaces with crevices in which it can hide. It can be found at depths from 10 to 180 metres. This species can also be found in the aquarium trade.

Text from the Wikipedia article “Blackcap basslet”, 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: 4 records
February: 4 records
March: 8 records
April: 9 records
May: 13 records
June: 16 records
July: 7 records
August: 7 records
September: 4 records
October: 2 records
November: 7 records
December: 3 records

Depth and water temperature

Depth

Mostly recorded at 1–34 m · Deepest record: 34 m

0–10 m: 1 records
10–20 m: 1 records
20–30 m: 0 records
30–40 m: 4 records

Water temperature

Recorded in surface water of 26–28 °C

24–26 °C: 6 records
26–28 °C: 12 records
28–30 °C: 5 records

Photos

(c) cello caruso-turiello, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Matteo Cassella, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Names and classification

English: Blackcap basslet, blackcap basslet

Names in 4 more languages

German: Schwarzkappen-Feenbarsch
Spanish: cabrilleta violeta, gramma violeta
French: Gramma tête noire
Simplified Chinese: 黑頂藍紋鱸

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).
118 open-data records from 2005 to 2023.
Species data updated November 3, 2026.