Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Lophiiformes
(Anglerfishes) > Himantolophidae
Etymology: Himantolophus: Greek, himas or himantos = leather strap, thong or leash (referring to the thick leathery illicium) + Greek, lopho or lophio = crest or tuft (referring to the baited illicium projecting from the head) (Ref. 86949); stewarti: We are pleased to name this species in honor of Andrew Stewart of the Museum of New Zealand Te Papa Tongerewa (Te Papa), Wellington, for his years of service to the world ichthyological community and for his many published contributions to ichthyology (Ref. 88962).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 400 - 1413 m (Ref. 88962). Deep-water; 47°S - 48°S, 148°E - 149°E
Tasman Sea: South Tasman Rise. Himantolophus stewarti is probably everywhere sympatric with its sister species H. appelii, both restricted to the southern parts of the Atlantic, Indian, and Pacific oceans below 27°S and extending into the Southern Ocean. Most of the known material was taken off New Zealand and Tasmania, with scattered records from off southern Australia, the central and western Indian Ocean, off South Africa, the Falkland Islands, and off the southern tip of Chile. A large proportion of the known material (70%) was collected with bottom trawls at depth between 400 and 1413 m. Others were taken with midwater gear fished open between the surface and approximately 990 m, some at maximum depths well off the bottom (e.g., SAM 31615, 150 mm, maximum depth reached by gear 990 m, over a bottom depth of 2000 m) (Ref. 88962).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.4 cm SL (female)
Morphology | Morphometrics
A species of the Himantolophus appelii group (as recognized by Bertelsen and Krefft, 1988), known only from females, distinguished from its sister-species, H. appelii, the only other member of this group, in having short distal and posterior escal appendages (Ref. 88962).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pietsch, T.W. and C.P. Kenaley, 2011. A new species of deep-sea ceratioid anglerfish, genus Himantolophus (Lophiiformes: Himantolophidae), from southern waters of all three major oceans of the world. Copeia 2011(4):490-496. (Ref. 88962)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.1 ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).