Common names from other countries
Classification / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Schismatogobius: Greek, schisma, -atos = crack, fissure + latin, gobius = gudgeon (Ref. 45335); baitabag: Named after Baitabag village, by the Nagada River, the type locality and as thanks to the Baitabag village men and many small children who cheerfully helped H.K. Larson collect the holotype and many other interesting fishes (H.K. Larson regrets not recording their names). A noun in apposition.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
; eau douce démersal; profondeur 0 - 2 m (Ref. 116768). Tropical
Oceania: Northern Papua New Guinea.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 2.8 cm SL mâle / non sexé; (Ref. 116768)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 9; Épines anales: 1; Rayons mous anaux: 9. Schismatogobius baitabag is distinguished by the following charactersL pectoral fin usually with 15 rays; pectoral flns banded with rows of dark spots; membrane in first dorsal fln posterior to spine 6 partly connected to base of spine of second dorsal fin; male with ventral surface of head, frenum, and pelvic disk yellowish, with black mentum and lower lips; and female with ventral surface of head, frenum and pelvic disk yellowish, with dark mentum (Ref. 116768).
Body shape (shape guide): elongated.
Found in streams with moderate to fast flow in shallow areas of gravel. The holotype was collected from a bend in the Nagada River in a valley, with slow to moderate flow over sand, gravel, smooth rocks and boulders, with some leaf litter and logs (Ref. 116768).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Keith, P., C. Lord and H.K. Larson, 2017. Review of Schismatogobius (Gobiidae) from Papua New Guinea to Samoa, with description of seven new species. / Revue de Schismatogobius (Gobiidae) de la Papouasie-Nouvelle-Guinée à Samoa, avec description de sept nouvelles espèces. Cybium 41(1):45-66. (Ref. 116768)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00338 - 0.01553), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.1 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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