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Brachysomophis porphyreus
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drawing shows typical species in Ophichthidae.
Teleostei (teleosts) >
Anguilliformes
(Eels and morays) >
Ophichthidae
(Snake eels) > Ophichthinae
Etymology:
Brachysomophis:
Greek, brachys, eia = short + Greek, soma = body + Greek, ophis = serpent (Ref.
45335
)
;
porphyreus:
Named for its purplish (= porphyreus) coloration when alive.
.
More on authors:
Temminck
&
Schlegel
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 20 m (Ref.
42180
). Temperate
Northwest Pacific: Taiwan and the southern coasts of China and Japan.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 130 cm TL male/unsexed; (Ref.
42180
)
Short description
Morphology
|
Morphometrics
Vertebrae
: 137 - 148. This species is distinguished by the following characters: tail 52% and head 11-14% of TL; body cylindrical for most of its length; dorsal fin arising well behind pectoral-fin tips; pectoral fins moderately elongate, about 3-6 times in HL; snout moderate; about 3.0 in jaw; jaws elongate, about 2.1-3.0 in head; lower jaw extending beyond snout tip; nostrils in very short tubes in upper lip and closely associated; cirri of labial fringe minute on lips of subadults, absent in large adults; center of eye behind anterior 30% of jaw; interorbital space narrow, less than orbit width; dorsal head profile nearly flat from level of midjaw to snout tip; nape and cheeks swollen, narrowing anteriorly from level of midjaw; cephalic pores inconspicuous; free sensory neuromasts not visible on nape; teeth conical; purplish brown when alive; lateral-line and cephalic pores (except mandibular) surrounded by fine dark punctations.
Observed nearly fully buried within a muddy bottom at a depth of 20 m (Ref.
42180
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
McCosker, J.E. and J.E. Randall
, 2001. Revision of the snake-eel genus
Brachysomophis
(Anguilliformes: Ophichthidae), with description of two new species and comments on the species of
Mystriophis
. Indo-Pac. Fish. (33):1-32. (Ref.
42180
)
IUCN Red List Status (Ref.
130435
)
Data deficient (DD)
; Date assessed:
05 November 2019
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 4.1 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Very high vulnerability (78 of 100).
Nutrients (Ref.
124155
): Calcium = 26.2 [15.9, 48.5] mg/100g; Iron = 0.312 [0.176, 0.516] mg/100g; Protein = 18.4 [16.2, 20.9] %; Omega3 = 0.377 [0.166, 0.955] g/100g; Selenium = 14.6 [7.5, 29.9] μg/100g; VitaminA = 7.3 [1.9, 28.9] μg/100g; Zinc = 0.434 [0.313, 0.600] mg/100g (wet weight);
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- 20 July 2016
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