Teleostei (teleosts) >
Perciformes/Scorpaenoidei (Scorpionfishes) >
Triglidae (Searobins) > Pterygotriglinae
Etymology: Pterygotrigla: Greek, pterigion, diminutive of pteryx = wing, fin + Greek, trigla, es = red mullet (Ref. 45335); jacad: Named after the senior author's grandsons Jacob and Cade; noun in apposition.
Eponymy: ‘Jacad’ is an invented portmanteau formed from the names of the senior author’s two grandsons, Jacob and Cade. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 240 - 311 m (Ref. 95016). Deep-water
Western Indian Ocean: Nazareth amd Saya de Malha Banks. High Seas only.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 12.9 cm SL male/unsexed; (Ref. 95016)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 12 - 13; Anal soft rays: 12 - 13; Vertebrae: 27 - 28. This species is distinguished by the following characters: presence of buckler in advance of D1 fin; no antrorse infraorbital spine; short anterior infraorbital spines (7-10% SL); moderate pectoral fin length (28-31% SL), first fin free ray length moderate (26% SL); large eye (34-36%HL); moderate snout length (13-14% SL); no scales on nape and breast, belly with scales; 12-14 gill rakers length moderate; body without dark pigmentation except for inner surface of pectoral fin black with clear edges and black spot on D1 (not visible on holotype) (Ref. 95016).
Body shape (shape guide): fusiform / normal; Cross section: angular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Richards, W.J. and T. Yato, 2014. Revision of the subgenus Parapterygotrigla (Pisces: Triglidae: Pterygotrigla). Zootaxa 3768(1):23-42. (Ref. 95016)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: of potential interest
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00513 - 0.03091), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±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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