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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Halosauridae (Halosaurs)
Etymology: Aldrovandia: Taken from Ulisse Aldrovandi, (1522-1605), a Renaissance naturalist and physician noted by his systematic and accurate observations of plants and animals (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); গভীরতার পরিসীমা 1200 - 1900 m (Ref. 4448). Deep-water; 37°N - 9°S, 74°W - 6°W
Eastern Atlantic: Gulf of Guinea region. Western Atlantic: off Virginia, USA to Bahamas, Venezuela and the Guianas. Eastern Central Pacific (Ref. 9305) and Chile (Ref. 9068).
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 52.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 4448)
পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 9 - 10. Anus white, surrounded by dark field; body dark brown, head black (Ref. 13608).
Found at bathyal depths. Feeds on polychaetes. Males exhibits black tubular anterior nostrils and enlarged posterior nostrils when approaching breeding condition.
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Sulak, K.J., 1990. Halosauridae. p. 126-132. 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. 4448)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 4.2 - 6.5, mean 4.3 °C (based on 37 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00087 (0.00033 - 0.00229), b=3.07 (2.84 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.1 ±0.26 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).