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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: majan: The specific name proposed for this Omani endemic is an ancient Sumerian name for Oman, about 4,000 BC.
Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino bentopelágico. Tropical
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri
Western Indian Ocean: Oman to Iraq..
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.8 cm SL macho / no sexado; (Ref. 90119); 14.7 cm SL (female)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 10; Radios blandos dorsales (total) : 29 - 31; Espinas anales: 2; Radios blandos anales: 8; Vértebra: 24. This species is distinguished by the following set of characters: upper pectoral fin base with a black axillary spot; D 29-32; A 8; scales above lateral line 6, below 11; eye diameter 22.9-28.9% HL; interorbital width 32.0-38.0% HL; gill rakers 5-6 + 15-18 = 21-24; no mental barbel, last well-developed pleural rib on 7th vertebra; 11 swim bladder appendages; vertebrae 10 + 14 = 24 (Ref. 90119).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Iwatsuki, Y., L.A. Jawad and J.M. Al-Mamry, 2012. Jonius (Johnius) majan sp. nov., a sciaenid fish (Pisces: Scianidae) from Oman, Indian Ocean. Ichthyol. Res. 59:151-155. (Ref. 90119)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
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=0.01202 (0.00551 - 0.02625), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).