水生生物学报
水生生物學報
수생생물학보
ACTA HYDROBIOLOGICA SINICA
2014年
2期
298-303
,共6页
严太明%唐仁军%刘小帅%杨世勇%杨淞%何智
嚴太明%唐仁軍%劉小帥%楊世勇%楊淞%何智
엄태명%당인군%류소수%양세용%양송%하지
齐口裂腹鱼%鳞片发生%鳞片覆盖
齊口裂腹魚%鱗片髮生%鱗片覆蓋
제구렬복어%린편발생%린편복개
Schizothorax prenanti%Scale formation%Scale coverage
观察了实验室养殖条件下齐口裂腹鱼稚鱼鳞片的发生和覆盖过程。结果表明,稚鱼体长为30.7-32.3 mm时,鳞片最先出现在鳃盖后缘侧线处;体长为45.3-47.9 mm时,鳞片覆盖完毕,体长和日龄对鳞片覆盖均有显著影响。在鳞片覆盖过程中出现6个鳞片发生起始位置,依次是鳃盖后缘侧线处、尾柄部侧线处、臀鳍基部、腹鳍基部、背鳍基部和峡部。此外,组织切片的观察结果表明,齐口裂腹鱼鳞片发育主要经历了形态发生早期、形态发生晚期、分化早期、分化晚期和折叠期五个阶段。这些研究结果丰富了齐口裂腹鱼早期发育的生物学资料,将有助于了解其在系统学和功能形态学上的特征。
觀察瞭實驗室養殖條件下齊口裂腹魚稚魚鱗片的髮生和覆蓋過程。結果錶明,稚魚體長為30.7-32.3 mm時,鱗片最先齣現在鰓蓋後緣側線處;體長為45.3-47.9 mm時,鱗片覆蓋完畢,體長和日齡對鱗片覆蓋均有顯著影響。在鱗片覆蓋過程中齣現6箇鱗片髮生起始位置,依次是鰓蓋後緣側線處、尾柄部側線處、臀鰭基部、腹鰭基部、揹鰭基部和峽部。此外,組織切片的觀察結果錶明,齊口裂腹魚鱗片髮育主要經歷瞭形態髮生早期、形態髮生晚期、分化早期、分化晚期和摺疊期五箇階段。這些研究結果豐富瞭齊口裂腹魚早期髮育的生物學資料,將有助于瞭解其在繫統學和功能形態學上的特徵。
관찰료실험실양식조건하제구렬복어치어린편적발생화복개과정。결과표명,치어체장위30.7-32.3 mm시,린편최선출현재새개후연측선처;체장위45.3-47.9 mm시,린편복개완필,체장화일령대린편복개균유현저영향。재린편복개과정중출현6개린편발생기시위치,의차시새개후연측선처、미병부측선처、둔기기부、복기기부、배기기부화협부。차외,조직절편적관찰결과표명,제구렬복어린편발육주요경력료형태발생조기、형태발생만기、분화조기、분화만기화절첩기오개계단。저사연구결과봉부료제구렬복어조기발육적생물학자료,장유조우료해기재계통학화공능형태학상적특정。
Scale morphology, growth and the squamation chronology were described for the Schizothorax prenanti reared in the laboratory. The results showed that scale formation including onset and completion occurred at 30.7-32.3 mm and 45.3-47.9 mm body length (BL), and the appearance of scale is related to BL and age. The scale of juve-nile of S. prenanti were formed at six locations: the lateral line near the posterior border of gill cover, the lateral line near the middle of caudal peduncle, the base of anal fin, the base of pelvic fin, the base of dorsal fin, and isthmus. Fur-thermore, our results revealed that the scale formation and development were divided into five stages: early morpho-genesis, late morphogenesis, early differentiation, late differentiation and scale fold. These results suggest that under-standing the pattern of scale formation may be useful in systematics, functional morphology and habitat use.