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Optivus elongatus (Günther, 1859)

Slender roughy
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Native range | All suitable habitat | Point map | Year 2050
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Optivus elongatus   AquaMaps   Data sources: GBIF OBIS
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Image of Optivus elongatus (Slender roughy)
Optivus elongatus
Picture by Randall, J.E.

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

> Trachichthyiformes (Roughies) > Trachichthyidae (Slimeheads)
Etymology: Optivus: Latin, optivus, -a-um = chosen.
More on author: Günther.

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

ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 0 - 70 m (Ref. 89444), usually 15 - 35 m (Ref. 28787). Deep-water

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

Southwestern Pacific: Restricted to New Zealand.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.3 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 76814)

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Nocturnally active; inhabits cracks and crevices during the day. Feeds on small mobile benthic organisms (Ref. 26966), by drifting up to its prey and swallowing it whole with a sideways snap of the large extensible mouth (Ref. 26966).

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : Moore, Jon A. | ຜູ້ຮ່ວມມື

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 26 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

ການປະມົງ: ທີ່ບໍ່ມີຄວາມສົນໃຈ
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ຂໍ້ມູນຕື່ມອີກ

Trophic ecology
ລາຍການອາຫານ
Diet compositions
Food consumptions
Food rations
ຜູ້ລ້າ
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
ການສືບພັນ
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
Anatomy
Gill areas
ສະໝອງ
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
ປະເພດການລອຍ
Swimming speeds
Visual pigment(s)
ສຽງຂອງປາ
Diseases / Parasites
Toxicities (LC50s)
Genetics
ກຳມະພັນ
Electrophoreses
Heritabilities
Human related
Aquaculture systems
ຂໍ້ມູນການລ້ຽງສັດນ້ຳ
ສາຍພັນ
Ciguatera cases
Stamps, coins, misc.

ເຄື່ອງມື

Special reports

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Estimates based on models

Preferred temperature (Ref. 123201): 16.6 - 23.2, mean 17.9 °C (based on 28 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00454 - 0.02011), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.5   ±0.5 se; based on diet studies.
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Nutrients (Ref. 124155):  Calcium = 5.14 [2.35, 16.48] mg/100g; Iron = 0.179 [0.071, 0.452] mg/100g; Protein = 17.9 [16.5, 19.3] %; Omega3 = 0.173 [0.062, 0.470] g/100g; Selenium = 8.29 [2.99, 22.55] μg/100g; VitaminA = 45.9 [8.0, 292.4] μg/100g; Zinc = 0.505 [0.291, 0.834] mg/100g (wet weight);