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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Pinnichthys: Name formed Latin 'pinna' (feminine; fin) and 'ichthys' (Latinized form of the Greek acronym ichthus; fish); referring to the high number of fin rays in the second dorsal fin and anal fin of all species in the genus; prolata: Name from Latin 'prolatus' for elongated; referring to the relatively elongate innermost or fifth pelvic-fin rayas compared to its congeners.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 54 - 110 m (Ref. 98742). Tropical
Western Atlantic Ocean: northeastern Gulf of Mexico, off South Carolina.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 98742); 3.9 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 11 - 12; Anal soft rays: 11 - 12; Vertebrae: 27. This species which occur from deep reefs have two anal-fin pterygiophores anterior to the first haemal spine; have an extensively scaled body; high anal-fin ray count; with papillae rows 5i and 5s connected as a single row (Ref. 113825).
Cross section: oval.
Occurs in deep reefs (Ref. 113825).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tornabene, L., J.L. Van Tassel, D.R. Robertson and C.C. Baldwin, 2016. Molecular phylogeny, analysis of discrete character evolution, and submersible collections facilitate a new classification for a diverse group of gobies (Teleostei: Gobiidae: Gobiosomatini: Nes subgroup), with descriptions of nine new species. Zoological Journal of the Linnean Society 177(4):764-812. (Ref. 113825)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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