Classification / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: hardenbergi: Named for J.D.F. Hardenberg who recognized this species as new, as well as for his insightful contributions to the Indo-Australian ichthyology in the mid-twentieth century (Ref. 40908).
Eponymy: Dr Johann Dietrich Fran(s/z) Hardenberg (d: 1902) was a Dutch marine biologist, botanist, ichthyologist and entomologist who was awarded his doctorate by the University of Utrecht (1927). [...] (Ref. 128868), visit book page.
Issue
This species is placed in the genus Hemiarius in Eschmeyer (CofF ver. Jul. 2011: Ref. 87661) following Marceniuk & Menezes (2007: Ref. 58022). It is treated here under the genus Aspistor following Ferraris (2007: Ref. 58032). Please send references, or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री; खारा ड़िमरसल. Tropical
Western Central Pacific: southern New Guinea, from the Vogelkop Peninsula to the Fly River mouth.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.4 cm SL पुल्लिंग / अलिंग; (Ref. 40908)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 1; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 7; गुदा कांटा: 0; ऐनल सौफट रेज़: 16 - 18; जानवरों की रीड़ का जोड़: 50 - 52. Four patches of conical teeth across front of palate; rounded vomerine patches well-separated; outer patches oval or crescentic, 2-3 times larger than inner patches. Snout fleshy, overhanging mouth. Low papillae on palate and posterior face of gill arches; rakers rarely on posterior face of first two gill arches. Barbels thick proximally, thin distally. Head shield very granular, extensive posteriorly; triangular supraoccipital process short, broad. Eye small, dorsolateral. 8-12% HL. Adipose fin large, base longer than anal fin base. Dark grey in color; inner, dorsal aspect of paired fins charcoal blue (Ref. 40908).
Inhabits muddy, shallow coastal waters and tidal rivers (Ref. 40908).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 28 - 29.2, mean 28.8 °C (based on 303 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
