You can sponsor this page

Margrethia obtusirostra Jespersen & Tåning, 1919

Bighead portholefish
Masukkan pemerhatian anda di Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Margrethia obtusirostra   AquaMaps   Data sources: GBIF OBIS
muatnaik fotos/gambar dan video
Pictures | imej Google
Image of Margrethia obtusirostra (Bighead portholefish)
Margrethia obtusirostra
Picture by Dubosc, J.

klasifikasi / Names Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Stomiiformes (Lightfishes and dragonfishes) > Gonostomatidae (Bristlemouths)
Etymology:

Environment: milieu / climate zone / depth range / distribution range Ekologi

laut batipelagis; kisaran kedalaman 100 - 1739 m (Ref. 58018). Deep-water; 33°N - 49°S, 98°W - 154°W

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

Eastern Atlantic: off Portugal south to Morocco including the Azores, Madeira and Canary Islands; off Cape Agulhas, South Africa (Ref. 3991). Western Atlantic: Southeastern Florida and Bermuda to Venezuela, including the Gulf of Mexico and the Caribbean Sea (Ref. 37039). Elsewhere, South Atlantic, tropical and subtropical Indo-Pacific.

Size / Weight / umur

Maturity: Lm ?  range ? - ? cm
Max length : 8.3 cm SL jantan/; (Ref. 4463)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 15 - 16; Duri dubur: 0; Sirip dubur lunak: 21 - 26. Yellowish in color, darker dorsally, opercle silver, caudal base and peduncle dark brown (Ref. 3991). Pectoral and pelvic fins colorless (Ref. 3991). Dorsal adipose fin present.

Biologi     Daftar kata (contoh epibenthic)

Usually associated with continental and island slopes (Ref. 4769). Mesopelagic (Ref. 58302). Occurs at 100-300 m by day, 200-500 m by night (Ref. 4463). Feeds on crustaceans and small fishes (Ref. 4769). Photophore development complete by about 27 mm SL (Ref. 4769).

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

rujukan utama Upload your references | Acuan | Koordinator | mitra

Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Gonostomatidae. p. 283-292. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4463)

Status IUCN Red List (Ref. 130435)

  kekurangan data (DD) ; Date assessed: 23 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: tidak ada kepentingan
FAO - Publication: search | FishSource |

informasi lanjut

Trophic ecology
Bahan makanan
Diet compositions
Food consumptions
Food rations
Pemangsa
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
ukuran frekuensi
Mass conversions
Recruitments
Abundances
Life cycle
Reproduksi, perkembang biakan
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinamika larva
Distribution
Negara-negara
Daerah-daerah FAO
Ecosystems
Kemunculan
Introduksi
BRUVS - Videos
Anatomy
Gill areas
Otak
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Suara-suara ikan
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetika
Electrophoreses
Heritabilities
Human related
Aquaculture systems
profil budidaya air
Strain
Ciguatera cases
Stamps, coins, misc.
Outreach
mitra
References
Acuan

Alat, peralatan

laporan khas

muat turun XML

Sumber internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | semak peneliti ikan | CISTI | Catalog of Fishes: Marga, Jenis | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genom, Nukleotida | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Pangkalan data nasional | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: pergi, Cari | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 5.7 - 14.7, mean 9.2 °C (based on 768 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.48 se; based on food items.
Daya lenting (Ref. 120179):  Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).