Johnius majan, Majan croaker

You can sponsor this page

Johnius majan Iwatsuki, Jawad & Al-Mamry, 2012

Majan croaker
Upload your photos and videos
तस्वीरे | Google image
Image of Johnius majan (Majan croaker)
Johnius majan
Picture by Marine Science and Fisheries Centre, Muscat

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> 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 / गहराई सीमा / distribution range पारिस्थितिकी

समुद्री बेनथोपिलाजिक. Tropical

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | बिन्दु नक्शा | भूमिका | Faunafri

Western Indian Ocean: Oman to Iraq..

आकार / वज़न / Age

परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 15.8 cm SL पुल्लिंग / अलिंग; (Ref. 90119); 14.7 cm SL (female)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण) : 10; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 29 - 31; गुदा कांटा: 2; ऐनल सौफट रेज़: 8; जानवरों की रीड़ का जोड़: 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).
Body shape (shape guide): short and / or deep; Cross section: compressed.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

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 2025-1)

  Data deficient (DD) ; Date assessed: 27 September 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

अधिक जानकारी

Trophic ecology
Food items (preys)
संघटक आहार
आहार खपत
Food rations
परभक्षी
पारिस्थितिकी
पारिस्थितिकी
Home ranges
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Maturity/Gills rel.
Fecundity
मछलीऔ का अंडे देना
Spawning aggregations
अंडे
Egg development
लार्वा
लारवल गतिकी
वितरण
देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
संयोग
भूमिका
BRUVS - Videos
Anatomy
गिल क्षेत्र
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
आनुवंशिकी
Genome
आनुवंशिकी
Heterozygosity
हैरेटिबिलटी
Human related
Aquaculture systems
जलीयकृषि रूपरेखाऐ
खींच
Ciguatera cases
Stamps, coins, misc.
संदर्भ
संदर्भ

साधन

Special reports

Download XML

इंटरनेट स्रोत

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: वर्ग, प्रजाति | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, खोज | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (संदर्भ 82804):  PD50 = 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).
Trophic level (संदर्भ 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
लौटाव (संदर्भ 120179):  ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈