Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Pseudogobiopsis: Greek, pseudes = false + Latin, gobius = gudgeon + Greek, opsis = appearance (Ref. 45335); festiva: From the Latin, festivus, meaning cheerful, delightful or humorous, all words which relate to the elongate smiling jaws of mature males (Ref. 80545).
More on author: Larson.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Tropical
Asia: Malaysia. Known from the rainforest freshwater streams of Sarawak (Ref. 80545).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL male/unsexed; (Ref. 80545)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 7; Vertebrae: 10 - 16. A moderately slender Pseudogobiopsis with second dorsal rays I,7; anal rays modally I,7; pectoral rays 17-19; longitudinal scales 28-32; TRB 8-9; predorsal scales 8-13, reaching up to behind eyes; jaws enlarged in mature males; some headpores present, preopercular pores and posterior portion of oculoscapular canal absent; first spine of dorsal fin longest, occasionally filamentous in males; light sandy yellow with brown saddles and mottling, fins red in life, dorsal fins and caudal fins with rows of black or dark brown spots.
Found in freshwater (Ref. 80545).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Larson, H.K., 2009. Review of the gobiid fish genera Eugnathogobius and Pseudogobiopsis (Gobioidei: Gobiidae: Gobionellinae), with descriptions of three new species. The Raffles Bulletin of Zoology 57(1):127-181. (Ref. 80545)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00444 - 0.02153), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
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).