rockskipper

Istiblennius zebra

Fish
IUCN: Least concern

Usual depth0–3 m
Water temperature25–28 °C
Best monthsFebruary, March, and May
How commonOccasional

Photo credit: (c) Cricket Raspet, some rights reserved (CC BY), uploaded by Cricket Raspet · CC BY · iNaturalist

About this species

Istiblennius zebra, commonly known as the zebra blenny or Pāoʻo, is a species of combtooth blenny found in tide pools around the Hawaiian Islands. It is also referred to as the zebra rockskipper, rockskipper, jumping jack or the gori.

Text from the Wikipedia article “Istiblennius zebra”, 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: 116 records
February: 167 records
March: 158 records
April: 151 records
May: 211 records
June: 144 records
July: 151 records
August: 139 records
September: 109 records
October: 87 records
November: 139 records
December: 135 records

Depth and water temperature

Depth

Mostly recorded at 0–3 m · Deepest record: 100 m

0–10 m: 9 records
10–20 m: 0 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 1 records

Water temperature

Recorded in surface water of 25–28 °C

24–26 °C: 13 records
26–28 °C: 6 records

Photos

(c) Cricket Raspet, some rights reserved (CC BY), uploaded by Cricket Raspet · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Justin Johnsen, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Amy MacPherson, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Names and classification

English: rockskipper, Zebra Blenny

Names in 1 more languages

Spanish: Blenio Cebra

Other scientific names: Salarias cypho, Salarias zebra

Similar species

Streaky rockskipper
Istiblennius dussumieri
Rippled rockskipper
Istiblennius edentulus
Black-lined Blenny
Istiblennius lineatus
peacock blenny
Istiblennius meleagris
Imspringer
Istiblennius bellus
pallid rockskipper
Istiblennius flaviumbrinus

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).
328 open-data records from 1889 to 1991.
Species data updated November 3, 2026.

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