Morfologiska data för Maratecoara gesmonei
Bestämningsnycklar
Abnormalities
Main Ref. Nielsen, D.T.B., M. Martins and R. Britzke, 2014
Utseende refererar till
Bones in OsteoBase

Könskaraktärer

specialiserade organ
annat utseende always different morphology between mature adults
andra färger always different colors between mature adults
Anmärkningar Male with sides of body metallic blue and orange with irregular color distribution, without bars or lines, dorsally orange; abdominal region clear; sides of head metallic blue and orange; jaws orange; iris bright green; a black bar vertically crossing the eye; dorsal-fin orange with metallic blue blotches; anal-fin metallic blue with slightly orange stains; caudal-fin orange with metallic blue spots; pectoral-fins hyaline; pelvic-fins metallic blue with an orange spot (Ref. 95615). Females with overall color light brownish gray, with longitudinal rows of pale brown dots on the sides of body; abdominal region clear; sides of head and jaws gray, with a pale greenish yellow hue; iris yellow, with a dark gray vertical bar through center of eye; fins hyaline (Ref. 95615).

Karaktäristiska egenskaper hos juveniler och adulter

Särskilt slående egenskaper
Lateral kroppsform fusiform / normal
Tvärsnitt
Dorsal profil av huvudet more or less straight
Ögontyp more or less normal
Typ av mun/snyte more or less normal
Munnens placering
Type of scales
Diagnos

Diagnosis: male body depth 23.7-25.9% SL; caudal peduncle depth, 13.0-15.5% SL; length of dorsal-fin base, 13.5-14.5% SL; length of anal-fin base, 19.7-21.5% SL; caudal-fin length, 34.1-41.4% SL; pelvic-fin length, 12.2-14.8%SL; head depth, 62.5-64.6% HL; head width, 33.8-35.7% HL; pectoral-fin posterior margin reaching vertical between base of the 1st and 2nd anal-fin rays; contact organs absent; anal-fin origin between pleural ribs of 12th and 13th; 24-25 caudal-fin rays; 7 pelvicfin rays; 8 transverse series of scales; 25-26 vertebrae; female body depth 23.9-25.9% SL; caudal peduncle depth, 12.7-12.9% SL; length of dorsal-fin base, 11.3-13.3% SL; length of anal-fin base 15.9-18.1% SL; caudal-fin length 31.9-37.2% SL; pectoral-fin length, 19.1-23.8% SL; head depth 63.0-64.7% HL; head width 35.3-39.7% HL; eye diameter 30.8-33.0% HL (Ref. 95615).

Description: largest male examined 23.4 mm SL, largest female examined 24.5 mm SL; dorsal profile slightly concave between head and base of dorsal-fin, slightly convex at caudal peduncle; ventral profile gently convex from lower jaw to end of anal-fin base and nearly straight from latter point to caudal peduncle; body moderately slender; greatest body depth at level of pelvic-fin base; jaws short, prognathous, snout slightly pointed; dorsal fin elongated in males, pointed, rays 7-8 much more elongated than remaining rays, filamentous, tips reaching at least distal margin of caudal fin when adpressed to the body; anal fin pointed in males, rays 7-8 much more elongated than remaining rays, filamentous, tips reaching distal margin of caudal fin when adpressed to body; dorsal and anal fins just slightly pointed in females; caudal-fin lanceolate in males, middle caudal-fin rays filamentous, caudal-fin rounded in females; pectoral-fin elliptical, distal margin reaching vertical between base of 1st and 2nd anal-fin rays in males, between urogenital papilla and anal-fin origin in females; pelvic-fin elliptical, without filaments; tip of each pelvic fin reaching between base of 3rd and 4th anal-fin rays in males, reaching to between base of 1st and 2nd anal-fin rays in females; pelvic-fin bases in close proximity medially; dorsal fin origin on vertical between base of 3rd and 5th anal-fin rays, and between neural spines of 11th and 12th vertebrae in males and 13th and 14tth in females; anal-fin origin between pleural ribs of 12th and 13th vertebrae; caudal-fin rays 24-25; scales cycloid; no scales on caudal, dorsal and anal-fins bases; frontal squamation F-patterned; E-scales not overlapping medially; scales arranged in regular transverse pattern; longitudinal series of scales 25-26; transverse series of scales 8; contact organs absent; cephalic neuromasts: supraorbital 6+3, parietal 3, anterior rostral 1, posterior rostral 1, infraorbital 1 + 25, preorbital 4, otic 1, post-otic 2, supratemporal 1, median opercular 1, ventral opercular 1, preopercular 14, mandibular 8, lateral mandibular 5; two neuromasts on fin base (Ref. 95615).

Coloration: In life: males: sides of body metallic blue and orange with irregular color distribution, without bars or lines, dorsally orange; abdominal region clear; sides of head metallic blue and orange; jaws orange; iris bright green; a black bar vertically crossing the eye; dorsal-fin orange with metallic blue blotches; anal-fin metallic blue with slightly orange stains; caudal-fin orange with metallic blue spots; pectoral-fins hyaline; pelvic-fins metallic blue with an orange spot (Ref. 95615). Females with overall color light brownish gray, with longitudinal rows of pale brown dots on the sides of body; abdominal region clear; sides of head and jaws gray, with a pale greenish yellow hue; iris yellow, with a dark gray vertical bar through center of eye; fins hyaline (Ref. 95615).

Ease of Identification

Meristiska karaktäristika för Maratecoara gesmonei

Sidolinjer avbruten: No
Fjäll längs sidolinje
Porbärande fjäll längs sidolinje
Fjäll i lateralserie
Antal rader fjäll ovan sidolinje
Antal rader fjäll under sidolinje
Fjäll runt stjärtfensspole 16
Skäggtömmar
Gälspringor (endast hos hajar/rockor)
Gälräfständer
på undre del av gälbåge
på övre del av gälbåge
totalt
Ryggkotor
preanal
totalt 25 - 26

Fenor

Ryggfena/fenor

Egenskaper other
Antal fenor 1
Antal småfenor Dorsal   0
Ventral  0
Totalt antal hårda fenstrålar 0
Totalt antal mjuka fenstrålar 10 - 11
Fettfena absent

Stjärtfena

Egenskaper more or less truncate; more or less normal

Analfena/fenor

Antal fenor 1
Totalt antal hårda fenstrålar 0
Totalt antal mjuka fenstrålar 14 - 15

Pariga fenor

Bröstfena Egenskaper  more or less normal
Fenstrålar hårda     0
Fenstrålar mjuka   13
Bukfenor Egenskaper  more or less normal
Position    abdominal  before origin of D1
Fenstrålar hårda     0
Fenstrålar mjuka   7
Main Ref. (t.ex. 9948)
Ordlista ( t.ex. cephalopods )
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