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- Australian Faunal Directory
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Following modified from Australian Faunal Directory
|http://biodiversity.org.au/afd/taxa/4f5fcaa6-f19f-47e8-aa9c-7d48c70f5daa/ ---> https://biodiversity.org.au/afd/taxa/4f5fcaa6-f19f-47e8-aa9c-7d48c70f5daa/|
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Following modified from CalPhotos
Number of matches
SELECT * FROM img WHERE ready=1 and taxon like "Eptatretus cirrhatus%" and (lifeform != "specimen_tag" OR lifeform != "Animal") ORDER BY taxon
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ID: 0000 0000 1206 0961
© 2006 Paddy Ryan
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Following modified from FishBase
|http://www.fishbase.org/Summary/speciesSummary.php?genusname=Eptatretus&speciesname=cirrhatus ---> http://www.fishbase.org/summary/Eptatretus-cirrhatus.html|
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Common name (e.g. trout)
Genus + Species (e.g. Gadus morhua)
Myxini (hagfishes) >
(Hagfishes) > Eptatretinae
Greek, epta = seven + Greek, tretos, -e, -on = with holes (Ref.
Environment / Climate / Range
Marine; bathydemersal; non-migratory; depth range 0 - 1100 m (Ref.
), usually 40 - 700 m (Ref.
). Deep-water, preferred ?
Western Pacific: southern and eastern Australia and New Zealand.
Size / Weight / Age
range ? - ? cm
Max length : 97.0 cm TL male/unsexed; (Ref.
: 0. This species differs from all its congeners except
by having 7 pairs of gill pouches and three-cusp multicusps on the anterior and posterior rows of cusps. It differs from
in number of anterior unicusps (8-11 vs. 11-13), posterior unicusps (7-9 vs. 10-11), total cusps (43-51 vs. 54-58) and prebranchial pores (16-20 vs. 13-15); from
in number of anterior unicusps (8-11 vs. 11-13), total cusps (43-51 vs. 54) and trunk pores (46-53 vs. 57-58); from
in number of posterior unicusps (7-9 vs. 9-12), total cusps (43-51 vs. 52-60), tail pores (10-14 vs. 14-18); from
by its number of prebranchial pores (16-20 vs. 13-16) (Ref.
Occurs on soft bottoms of the continental slope (Ref.
). Able to form locally abundant populations and is often associated with inshore reefs (Ref.
Life cycle and mating behavior
Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies (Ref. 51361 ).
, 1998. Hagfish systematics. p. 33-44. In J.M. Jørgensen, J.P. Lomholt, R.E. Weber and H. Malte (eds.) The biology of hagfishes. Chapman & Hall, London. 578 p. (Ref.
IUCN Red List Status (Ref.
Least Concern (LC)
Threat to humans
Sea Around Us
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Websites from users
Catalog of Fishes
| IGFA World Record |
| Otolith Atlas of Taiwan Fishes |
Tree of Life
) | World Records Freshwater Fishing |
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00163 - 0.00533), b=2.95 (2.78 - 3.12), based on LWR estimates for this species & (Sub)family-body (Ref.
Trophic Level (Ref.
): 5.0 ±0.50 se; Based on food items.
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
): Moderate to high vulnerability (52 of 100) .
Reyes, Rodolfo B.
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