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.
Body shape (shape guide): fusiform / normal.
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 2025-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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 ±0.5 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).
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