Istiblennius unicolor, Pallid rockskipper

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Istiblennius unicolor (Rüppell, 1838)

Pallid rockskipper
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Istiblennius unicolor   AquaMaps   Data sources: GBIF OBIS
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Image of Istiblennius unicolor (Pallid rockskipper)
Istiblennius unicolor
Picture by Biryukov V.K.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Blenniiformes (Blennies) > Blenniidae (Combtooth blennies) > Salariinae
Etymology: Istiblennius: Greek, istios = sail + Greek, blennios = mucus (Ref. 45335).
More on author: Rüppell.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal. Tropical; 30°N - 13°N, 33°E - 44°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: endemic to the Red Sea; from northernmost Gulf of Aqaba, south to Dahlak Archipelago in the southern Red Sea.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm SL male/unsexed; (Ref. 9962); 9.2 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 13; Dorsal soft rays (total): 17-18; Anal spines: 2; Anal soft rays: 17 - 19

Biology     Glossary (e.g. epibenthic)

Facultative air-breathing (Ref. 126274); A rare species endemic to the Red Sea; nothing is known of its habits nor habitat preferences (Ref. 9962). According to traits of family where it belongs, it is oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator : Williams, Jeffrey T. | Collaborators

Springer, V.G. and J.T. Williams, 1994. The Indo-West Pacific blenniid fish genus Istiblennius reappraised: a revision of Istiblennius, Blenniella, and Paralticus, new genus. Smithson. Contrib. Zool. 565:1-193. (Ref. 9962)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 27 March 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

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Common names
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Predators
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Fecundity
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Age/Size
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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.6 - 29.3, mean 28.9 °C (based on 125 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00335 - 0.01640), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).