Callogobius williamsi, Williams’s flapheaded goby

Callogobius williamsi Delventhal & Mooi, 2023

Williams’s flapheaded goby
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Callogobius: Greek, kalos, kallos = beautiful + Latin, gobius = gudgeon (Ref. 45335); williamsi: Name 'williamsi' in honor of Dr. Jeffrey Williams who collected the holotype and recognized it as a new species.

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

Marine; reef-associated; depth range 7 - 27 m (Ref. 129405). Tropical

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

Eastern Central Pacific: Marquesas Is.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 6 - 7; Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: most or all scales cycloid; ctenoid scales (if present) restricted to mid-lateral region of caudal peduncle; 23-26 (usually 24 or 25) scales in lateral series; presence of pelvic frenum; absence of preopercular papillae row (Row 20); interorbital canal present with pair of pores B?, single pore D, and pair of pores F? (Ref. 129405).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Delventhal, N.R. and R.D. Mooi, 2023. Callogobius williamsi, a new species of goby (Teleostei: Gobiidae) from the Marquesas Islands, with notes on the status of all nominal Callogobius species. Zootaxa 5339(5):449-464. (Ref. 129405)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 18 March 2024

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Internet sources

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