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Istiblennius muelleri  (Klunzinger, 1879)

Mueller's rockskipper
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Native range | All suitable habitat | Point map | Year 2100
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Istiblennius muelleri   AquaMaps   Data sources: GBIF OBIS
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Image of Istiblennius muelleri (Mueller
Istiblennius muelleri
Picture by The Fish Database of Taiwan


Philippines country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Museum: Homonhon I., USNM 123361. Simaluc I., USNM 122435. Negros, Dumaguete, CAS 46498; Ciagba Bay, CAS 66856. Mindoro, Calapan, CAS-SU 32304, Iba I., CAS-SU 32305. Tataan, Tawi-Tawi Group, USNM 122436(Ref. 9962). Also Ref. 90102.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Springer, V.G. and J.T. Williams, 1994
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Blenniidae (Combtooth blennies) > Salariinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 7.0 cm SL male/unsexed; (Ref. 9962); 5.5 cm SL (female)

Environment

Marine; demersal; depth range 0 - 1 m (Ref. 90102)

Climate / Range

Tropical, preferred ?

Distribution

Western Pacific: Hsiao-liu-chiu Island, off southwestern Taiwan; south to Kur Island, Indonesia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 19-21; Anal spines: 2; Anal soft rays: 21 - 23. Dorsal fin XII-XIV, 19-21; membrane between spinous and segmented-ray portions notched deeper than half length of first segmented ray; membrane from posteriormost ray beginning from between dorsal edge of caudal peduncle at caudal-fin base (rarely) to dorsal edge of caudal fin up to 18% caudal-fin length in specimens ? 3 cm SL; anal fin II, 21-23 (23 only in males); pectoral-fin rays 13-14; vertebrae 10+27 to 30 = 37 to 40 (rarely 40); lacking nape cirrus; orbital cirrus simple, rarely a single branch or a few short, fine filaments at tip, typically shorter than orbital diameter; nasal cirrus simple, relatively long (typically half orbital diameter); lateral line canal continuous anterodorsally with simple pores (no vertical pairs), extending posteriorly to between verticals from bases of 6th and 9th dorsal-fin spines (usually to between verticals from 7th and 8th spines), then continuing posteriorly and posteroventrally as series of 1-6 (rarely 1 or 6) short, disconnected, horizontally bi-pored canals/tubes in skin; posteriormost tube area below and between verticals from bases of 7th spine and second segmented dorsal-fin ray (rarely posterior to vertical from 12th spine); mandibular pores 3-5; lacking posterior canines; ventral margin of upper lip and dorsal margin of lower lip entire; both sexes from ?3 cm SL with well-developed, fleshy, blade-like crest on dorsal part of head; crest of females comparatively smaller than males’; spinous portion of dorsal fin dusky, crossed by several diagonal, paler-dusky stripes with dark margins; segmented ray portion faint dusky with numerous dark pinstripes coursing length of fin, stripes coalescing into reticular pattern posteriorly. Male max. size ca 7 cm SL; female max. size ca 5.5 cm.

Biology     Glossary (e.g. epibenthic)

Adults occur in tide pools and close to edge of rocky shores at low tide. 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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

More information

Countries
FAO areas
Ecosystems
Occurrences
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Ecology
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Common names
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Morphometrics
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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.0   ±0.00 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
Low vulnerability (17 of 100)
Price category (Ref. 80766)
Unknown