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Teleostei (teleosts) > Anabantiformes (Gouramies, snakeheads) > Osphronemidae (Gouramies) > Macropodusinae
Etymology: Parosphromenus: Greek, para in the side of + Greek, osphromenos, osphrainomai = to smell (Ref. 45335); alfredi: Named for Eric Alfred, whose work on Malayan fishes has been most useful in recent studies.
Eponymy: Eric Ronald Alfred (1931–2019) was an ichthyologist and Curator of the Raffles Museum, Singapore (1957–1967). [...] (Ref. 128868), visit book page.
More on authors: Kottelat & Ng.

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

Freshwater; benthopelagic; pH range: 4.5 - 5.0. Tropical

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Asia: Malaysia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.6 cm SL male/unsexed; (Ref. 56232)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 5 - 6; Anal spines: 11 - 13; Anal soft rays: 8 - 10. Differs from its congeners by the following unique combination of characters: 12-13 spines in dorsal fin; 11-13 spines in anal fin; 8-10 segmented rays in anal fin; in live males, dorsal, anal and caudal fins with a narrow bluish margin and a black subdistal band bordered proximally by a bluish iridescent band, sometimes turning to reddish posteriorly; proximal part of dorsal and anal fins from dark red to black; proximal part of caudal fin red, darker in basal area; pelvic fin blue, with white filament (Ref. 56232).

Facultative air-breathing (Ref. 126274); Occurs in peat swamps (Ref. 56232).

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

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M. and P.K.L. Ng, 2005. Diagnoses of six new species of Parosphromenus (Teleostei: Osphronemidae) from Malay Peninsula and Borneo, with notes on other species. Raffles Bull. Zool. Supplement (13):101-113. (Ref. 56232)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Critically Endangered (CR) (B2ab(iii,v)); Date assessed: 14 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±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).

Parosphromenus alfredi Kottelat & Ng, 2005