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Order
Carcharhiniformes
Echinorhiniformes
Heterodontiformes
Hexanchiformes
Lamniformes
Orectolobiformes
Pristiophoriformes
Squaliformes
Squatiniformes
Family
Genus
General characteristics
body
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body form
body flat and ray-like
body high and compressed, triangular in cross-section
body low and more cylindrical in cross-section
colour spots bars
without spots and bars
only spots
only bars
spots and bars
gill number
Number of gills
gills length
similar lengths for all slits
slit length decreases in the anterior to posterior direction
the posterior slit is longer than all other slits
gills position
no slits over the fin
one slit over the fin
two slits over the fin
three slits over the fin
four slits over the fin
monospondylous vertebrae
total number of monospondylous vertebrae
precaudal pit
no precaudal pit
precaudal pit present
precaudal vertebrae
total number of precaudal vertebrae
TL min / max
total length in cm
total vertebrae
total number of vertebrae
dentition
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Dentition in upper and lower jaws
dignathic homodont
dignathic heterodont
lower teeth cusplets
number of lower jaw teeth cusplets (max) without main cusp
lower teeth max
number of lower jaw teeth (left, symphysal, right)
lower teeth serration
teeth of the lower jaw without serration of main cusp
teeth of the lower jaw with serration of main cusp
upper teeth cusplets
number of upper jaw teeth cusplets (max), without main cusp
upper teeth max
number of upper jaw teeth (left, symphysal, right)
upper teeth serration
teeth of the upper jaw without serration of main cusp
teeth of the upper jaw with serration of main cusp
fins
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anal fins
no anal fins
one anal fin
caudal fin form
crescent-shaped tails with upper and lower lobes of almost equal size
tails with the upper lobe longer than the lower
tails with long upper lobes and virtually no lower lobe
a well-developed epicaudal lobe, moderate to low dorsal thrust angles, a moderately well-developed ventral hypochordal lobe and the subterminal lobe is either large or not well separated from the rest of the dorsal tail structure
The squatinoid tail with a straight notochordal axis.
dorsal fins
one dorsal fin
two dorsal fins
fins with different coloration
coloration of one or more fins differ complete or partially from coloration of the body
coloration of the fins is similar to the body
first dorsal fin location
over the pectoral fin bases or between pectoral and pelvic fin
over the pelvic fin bases or behind the pelvic fin
spines
no dorsal fin spines
one dorsal fin spine
two dorsal fin spines
habitat
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code distribution
1 - Africa - Inland waters
2 - America, North - Inland waters
3 - America, South - Inland waters
4 - Asia -Inland waters
5 - Europe - Inland waters
6 - Oceania - Inland waters
7 - Former USSR area ? Inland waters
8 - Antarctica - Inland waters
18 - Arctic Sea
21 - Atlantic, Northwest
27 - Atlantic, Northeast
31 - Atlantic, Western Central
34 - Atlantic, Eastern Central
37 - Mediterranean and Black Sea
41 - Atlantic, Southwest
47 - Atlantic, Southeast
51 - Indian Ocean, Western
57 - Indian Ocean, Eastern
61 - Pacific, Northwest
67 - Pacific, Northeast
71 - Pacific, Western Central
77 - Pacific, Eastern Central
81 - Pacific, Southwest
87 - Pacific, Southeast
48 - Atlantic, Antarctic
58 - Indian Ocean, Antarctic
88 - Pacific, Antarctic
depth
fishing depth (max)
habitat water
Fresh water
Brackish water
Saline water
head
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barbels
without barbels on the snout
with barbels on the snouth
head form
without saw or rostrum
with long rostrum, not sawlike
sawlike
hammerhead
Nictitating Lower Eyelid
Nictitating Lower Eyelid absent
Nictitating Lower Eyelid present
protection
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CITES Regulations
not listed
listed in Appendix I
listed in Appendix II
listed in Appendix III
EC Basic Regulation
not listed
listed in Annex A
listed in Annex B
listed in Annex C
listed in Annex D
Red List Status
Not listed
Extinct
Extinct in the wild
Critically endangered
Endangered
Vulnerable
Near threatened
Least concern
Data deficient
Not evaluated
Detailed characteristics
body
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dermal denticle arrangement
denticles below 2nd dorsal fin in rows
denticles below 2nd dorsal fin not in rows
dermal denticle morphology
hook-like
block-like
Flank mark base
flank mark base below 2nd dorsal fin insertion
flank mark base in front of 2nd dorsal fin insertion
flank mark base behind insertion of 2nd dorsal fin
Flank mark branches
anterior branch of flank marking longer than posterior branch
anterior flnak mark branch same length as posterior branch
anterior branch of flan marking shorter than posterior branch
Flank Marking
Etmopterus spinax clade like
Etmopterus gracilispinis clade like
Etmopterus lucifer clade like
Etmopterus pusillus clade like
Centroscyllium ritteri like
no flank marking present or visible
Presence of Photophores
1 - present
2 - absent
dentition
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lower teeth
single-cusped
multi-cusped
Lower tooth root partially overlapping
Lower teeth overlapping
Lower teeth not overlapping
Upper teeth
multicusped
single-cusped
Upper teeth overlapping
upper teeth overlapping
Upper teeth not overlapping
fins
[[ searchCtrl.groupCount['fins_detailed'] ]]
denticle coverage on 2nd dorsal fin
2nd dorsal fin not covered by denticles
2nd dorsal fin mildly covered by dermal denticles
2nd dorsal fin fully covered by dermal denticles
Form of dorsal fins
Apices narrowly triangular, posterior margins strongly concave
Apices broadly triangular, posterior margins straight or weakly concave
Free rear tip of first dorsal fin
free rear tip of first dorsal fin over or posterior to pelvic fin-origins
free rear tip of first dorsal fin well ahead of pelvic-fin origins
Position first dorsal spine
first dorsal spine inclined backward
first dorsal spine inclined forward
head
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Anterior margin of head
anterior margin of head with knobs
anterior margin of head without knobs
Head Width
Head Width in % of total length (TL)
Margin of the head
margin of the head notched
margin of the head not notched
Pits on ventral side of rostrum
Pits on ventral side of rostrum present
Pits on ventral side of rostrum absent
Position of the barbels
barbels are distinctly closer to the mouth
barbels are about equidistant to slightly in front of or behind, the rostral midpoint and mouth
barbels are distinctly closer to the rostral tip
Prenarial grooves
prenarial grooves present
prenarial grooves weak or absent
Rostral spines (teeth)
Rostral spines (teeth) posterior serrated
Rostral spines (teeth) posterior not serrated
Rostrum length (preoral length)
Preoral length (length of the rostrum) in % of the total length (TL)
Size of nostrils
nostrils greatly enlarged
nostrils short
Spiracle, size and form
small, circular or vertically oval
large, slit–like, D–shaped or oval
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